IP Library › Assignment 040818/0551
Patent Assignment
Reel/Frame 040818/0551

Assignment of Assignor's Interest

Recorded: 2016-12-05 Pages: 114
Assignor
HGST NETHERLANDS B.V.
Executed: 2016-08-31
Assignee
WESTERN DIGITAL TECHNOLOGIES, INC.
3355 MICHELSON DRIVE, SUITE 100, IRVINE, CALIFORNIA, 92612
Covered Properties (483)
Method and Apparatus for Rotary Actuator Arc Compensation Correction in a Direct Access Storage Device
Patent: 5,854,722 →
Application: 08/443,963 →
Structure and Enclosure Assembly for a Disk Drive
Patent: 6,285,524 →
Application: 08/445,926 →
Pivot Bearing
Patent: 5,835,309 →
Application: 08/446,381 →
Low Profile Head Suspension Assembly with Load and Unload Capability
Patent: 5,572,387 →
Application: 08/448,272 →
Data Recording Device and Control Apparatus for Recording Data Twice on One Track Using Different Encoding Methods
Patent: 6,023,384 →
Application: 08/450,513 →
Azo Dyes as Adhesion Promotion Additive in Polydimethylglutarimide
Patent: 5,604,073 →
Application: 08/453,027 →
Process for Texturing Brittle Glass Disks
Patent: 5,595,791 →
Application: 08/455,171 →
Reduced Seek Acoustic Noise Direct Access Storage Device
Patent: 5,901,009 →
Application: 08/455,806 →
Process for Texturing Brittle Nonmetallic Surfaces
Patent: 5,567,484 →
Application: 08/455,861 →
Self Servo Writing File
Patent: 5,570,247 →
Application: 08/456,973 →
Method and Apparatus for Moving a Disk Drive Actuator Away from a Magnetic Latch
Patent: 5,754,357 →
Application: 08/463,604 →
Data Compression Method and Structure for a Direct Access Storage Device
Patent: 5,623,701 →
Application: 08/468,712 →
Fixed-Block Architecture Embedded Servo Disk Drive Without Data Identification (Id) Regions
Patent: 5,615,190 →
Application: 08/469,066 →
Method of Making Thin Film Magnetic Write Head
Patent: 5,649,351 →
Application: 08/469,279 →
Disk Drive Incompatible Firmware Recovery
Patent: 6,446,199 →
Application: 08/469,420 →
Embedded Directory Method and Record for Direct Access Storage Device (Dasd) Data Compression
Patent: 5,684,986 →
Application: 08/472,269 →
Simplified Method of Making Merged Mr Head
Patent: 5,779,923 →
Application: 08/474,645 →
Viscoelastically Damped Slider Suspension System
Patent: 5,594,607 →
Application: 08/477,461 →
Edge Strengthened Substrate of a Data Storage Disk and Method for Fabricating Same
Patent: 5,733,622 →
Application: 08/477,870 →
Negative Pressure Slider with Optimized Leading Pocket for Profile Control
Patent: 5,587,858 →
Application: 08/486,088 →
Negative Pressure Slider with Optimized Leading Pocket for Profile Control
Patent: 5,583,722 →
Application: 08/486,090 →
Integrated Head-Electronics Interconnection Suspension for a Data Recording Disk Drive
Patent: 5,608,591 →
Application: 08/489,310 →
Method and Apparatus for Servo Demodulation in a Direct Access Storage Device
Patent: 5,625,508 →
Application: 08/491,103 →
Method of Manufacturing a Slider/Suspension Having an Improved Crown Sensitivity
Patent: 5,771,570 →
Application: 08/504,349 →
Storage Method and Hierarchical Padding Structure for Direct Access Storage Device (Dasd) Data Compression
Patent: 5,666,560 →
Application: 08/510,804 →
Viscoelastically Damped Slider Suspension System
Patent: 5,606,477 →
Application: 08/515,936 →
Transducer Suspension System
Patent: 5,570,249 →
Application: 08/516,675 →
Method and Apparatus for Phase Modulated Servo Positioning in a Direct Access Storage Device
Patent: 6,426,844 →
Application: 08/526,197 →
Direct Access Storage Device with Improved Reliability Flex Cable Mounting
Patent: 5,646,801 →
Application: 08/527,589 →
Method and Apparatus for Reducing Servo Interference in a Magneto-Resistive Head Using Skew Between Head and Servo Pattern
Patent: 5,790,341 →
Application: 08/530,989 →
Disk Drive for Portable Computer with Adaptive Demand-Driven Power Management
Patent: 5,682,273 →
Application: 08/532,956 →
Slider Suspension Assembly and Method for Attaching a Slider to a Suspension in a Data-Recording Disk File
Patent: 6,219,202 →
Application: 08/548,938 →
Intelligent Envelope Detector and Method for Gain Control for Prml Data and Servo Channels Including Polarity Detection
Patent: 5,708,537 →
Application: 08/555,781 →
Method and Apparatus for Reading and Writing Data in a Disk Drive System
Patent: 5,872,955 →
Application: 08/564,567 →
Shock Protected High Stack Density Suspension System
Patent: 5,838,517 →
Application: 08/566,219 →
Servo Address Apparatus and Positioning Methods for Read, Write and Seek Operations in a Direct Access Storage Device
Patent: 5,828,513 →
Application: 08/568,829 →
Data Processing Method and Data Storage System
Patent: 5,864,440 →
Application: 08/569,326 →
Disk Drive in-Hub Radial-Gap Spindle Motor with Coils Generating Axial Fields
Patent: 5,633,545 →
Application: 08/569,404 →
Contact Start/Stop Disk Drive with Minimized Head Disk Wear in Textured Landing Zone
Patent: 5,729,399 →
Application: 08/572,285 →
Magneto-Resistive Head Including a Selectively Placed Low-Reluctance Path Between Shields
Patent: 5,923,502 →
Application: 08/576,496 →
Thin Film Magnetic Head with Ni-Fe Alloy Thin Film
Patent: 6,118,628 →
Application: 08/594,275 →
Repeatable Runout Free Servo Architecture in Direct Access Storage Device
Patent: 6,097,565 →
Application: 08/594,572 →
Method and Apparatus for Servo Control with High Efficiency Gray Code for Servo Track Id
Patent: 5,757,567 →
Application: 08/598,486 →
Asynchronous Digital Pes Demodulation Disk Drive Servo Control System
Patent: 5,774,298 →
Application: 08/599,534 →
A Magnetic Recording Disk Having a Laser-Textured Surface
Patent: 5,768,076 →
Application: 08/601,887 →
Shallow Etch Air Bearing Surface Features for Optimized Transducer Spacing
Patent: 5,825,587 →
Application: 08/609,602 →
Method and Apparatus for Improving File Capacity Using Different Flying Height Profiles
Patent: 5,870,250 →
Application: 08/609,737 →
Adjustable Solder Bump Spacer for Slider-Suspension Attachment
Patent: 5,680,275 →
Application: 08/618,672 →
Seal for Disk Drives
Patent: 5,739,980 →
Application: 08/621,297 →
Recording Medium Having Improved Servo Compensation and Method for Same
Patent: 5,815,332 →
Application: 08/623,943 →
Load Beam for Supporting a Transducer Head in a Disk Drive
Patent: 5,777,826 →
Application: 08/623,944 →
Power Saving Method and Apparatus for Use in Multiple Frequency Zone Drives
Patent: 5,787,292 →
Application: 08/625,334 →
Magnetic Disk with Boron Carbide Overcoat Layer
Patent: 5,750,231 →
Application: 08/626,813 →
Magnetic Head Gimbal Assembly of a Magnetic Disk Unit Having a Load Point Matched with the Center of Impact
Patent: 6,157,519 →
Application: 08/628,226 →
System and Method for Skip-Sector Mapping in a Data Recording Disk Drive
Patent: 5,937,435 →
Application: 08/628,304 →
Disk Drive Apparatus and Read Error Recovery Method in a Disk Drive Apparatus
Patent: 5,696,643 →
Application: 08/632,787 →
Disk Drive Apparatus and Read Error Recovery Method in a Disk Drive Apparatus
Patent: 5,754,355 →
Application: 08/633,596 →
Method and Assembly for Increasing Storage Device Reliability
Patent: 5,793,553 →
Application: 08/634,730 →
Automated Head Wire Stringing, Termination, and Slider Bonding Suspension Assembly with Load/Unload Feature
Patent: 5,930,078 →
Application: 08/646,517 →
Negative Pressure Slider with Optimized Leading Pocket for Profile Control
Patent: 5,610,784 →
Application: 08/650,227 →
Zoned Recording Embedded Servo Disk Drive Having No Data Identification Fields and Reduced Rotational Latency
Patent: 5,768,044 →
Application: 08/655,998 →
Thin Film Magnetic Disc and Method of Manufacturing the Disc
Patent: 5,958,542 →
Application: 08/656,911 →
Slider Having Shifted Crown Peak for Reduced Fly Height Sensitivity
Patent: 5,687,042 →
Application: 08/660,629 →
Direct Access Storage Device Having a Disk Motion Limiter for Preventing Disk Data Zone and Spindle Bearing Damage
Patent: 5,757,587 →
Application: 08/661,339 →
Magnetic Recording System and Magnetic Recording Medium Used Therefor
Patent: 5,919,581 →
Application: 08/670,121 →
Head Transducer to Suspension Lead Termination by Solder Ball Place/Reflow
Patent: 5,828,031 →
Application: 08/670,551 →
Disk Drive Having Program to Be Executed by a Second Processor Stored in a First Processor's Rom in a Compressed Form
Patent: 5,889,961 →
Application: 08/672,212 →
Stabilized Mr Sensor and Flux Guide Joined by Contiguous Junction
Patent: 5,930,084 →
Application: 08/672,516 →
Method of and Apparatus for Detecting Phase
Patent: 6,034,998 →
Application: 08/674,864 →
Structure in a Disk Drive System for Attaching a Load Beam to a Head Actuator Carriage Including a Mount Plate Having Side Ends Surrounding a Swage Hole
Patent: 5,896,245 →
Application: 08/675,778 →
Positioning Adaptive Control Method and Positioning Device as Well as Information Storage Device
Patent: 5,936,792 →
Application: 08/677,546 →
Magnetic Disk and Method of and Apparatus for Manufacturing Magnetic Disk
Patent: 5,879,569 →
Application: 08/677,960 →
Magnetic Disk Apparatus for a Magnetic Disk Having Projections Provided Thereon
Patent: 5,796,539 →
Application: 08/678,068 →
System and Method for Encoding a Servo Address
Patent: 5,757,568 →
Application: 08/678,856 →
Static Attitude and Stiffness Control for an Integrated Suspension
Patent: 5,818,662 →
Application: 08/680,398 →
Disk Drive Servo Control System with Selectable Filtering for Reduction of Repeatable Runout
Patent: 5,923,491 →
Application: 08/681,411 →
Minimal Stiffness Conductors for a Head Gimbal Assembly
Patent: 6,351,348 →
Application: 08/685,420 →
Silicon Coating on Air Bearing Surface for Magnetic Thin Film Heads
Patent: 6,532,134 →
Application: 08/686,567 →
Laminated Back Iron Structure for Increased Motor Efficiency
Patent: 5,757,101 →
Application: 08/689,477 →
Disk Storage Device with Spiral Data Track and Incremental Error Offsets in Angularly Spaced Imbedded Concentric Servo Patterns
Patent: 5,619,387 →
Application: 08/689,582 →
Disk Drive with Actuator to Overcome Stiction
Patent: 5,751,508 →
Application: 08/690,705 →
Hard Disk Drive and Hard Disk Apparatus Having Bus and Its Installing Method
Patent: 5,903,442 →
Application: 08/696,801 →
Spin Valve Magnetoresistive Sensor with Antiparallel Pinned Layer and Improved Exchange Bias Layer, and Magnetic Recording System Using the Sensor
Patent: 5,701,223 →
Application: 08/697,396 →
Pc Card Type Magnetic Disk Device
Patent: 5,862,011 →
Application: 08/699,425 →
Split Table Generator and Method for Format Data Compression in Disk Drives
Patent: 6,008,960 →
Application: 08/702,389 →
Wobble Motor Microactuator for Fine Positioning and Disk Drive Incorporating the Microactuator
Patent: 5,805,375 →
Application: 08/703,111 →
Integral Hub and Disk Clamp for a Disk Drive Storage Device
Patent: 5,872,681 →
Application: 08/703,621 →
Negative Pressure Step Pad Air Bearing Design and Method for Making the Same
Patent: 5,777,825 →
Application: 08/706,244 →
Pivot Bearing
Patent: 5,755,518 →
Application: 08/707,813 →
Tracking Method and Recording Means Thereby
Patent: 5,808,977 →
Application: 08/708,954 →
Noise Predictive Maximum Likelihood (Npml) Detection Methods and Apparatus Based Thereon
Patent: 6,104,766 →
Application: 08/715,174 →
Magnetoresistive Sensor with a Soft Adjacent Layer Having High Magnetization, High Resistivity, Low Intrinsic Anisotropy and Near Zero Magnetostriction
Patent: 6,249,406 →
Application: 08/717,518 →
Circuit and Method for Optimizing Bias Supply in a Magnetoresistive Head Based on Temperature
Patent: 5,978,163 →
Application: 08/717,918 →
Electronic Magnetoresistive Sensor Biasing Using a Transducer Equivalent Circuit and Current Sources
Patent: 5,986,839 →
Application: 08/718,072 →
High Cmrr and Sensor-Disk Short-Circuit Protection Device for Dual Element Magnetoresistive Heads
Patent: 5,953,173 →
Application: 08/718,073 →
Circuit and Method for Optimizing Bias Supply in a Magnetoresistive Head Based on the Thermal Properties of the Mr Head Itself
Patent: 5,790,334 →
Application: 08/720,550 →
Contaminant Reduction System for Disk Drives
Patent: 5,827,424 →
Application: 08/721,400 →
Integrated Suspension Flexure Having a Compliant Tip Termination Platform
Patent: 5,956,209 →
Application: 08/726,116 →
Magnetic Head/Silicon Chip Integration Method
Patent: 5,867,888 →
Application: 08/728,289 →
Hard Disk Drive Read Channel with Half Speed Timing
Patent: 5,946,354 →
Application: 08/730,862 →
Method and Apparatus for Providing Diverging Rail Edge Geometry for Air Bearing Slider
Patent: 5,796,550 →
Application: 08/731,606 →
Landing Pads for Air Bearing Sliders and Method for Making the Same
Patent: 5,796,551 →
Application: 08/732,201 →
Magnetoresistive Head and Magnetic Disk Apparatus
Patent: 5,995,338 →
Application: 08/733,713 →
Magnetoresistive Head with a Magnetoresistive Film Shaped to Provide an Improved Read Sensitivity Profile
Patent: 5,748,415 →
Application: 08/739,240 →
Extender Frame for Cooling a Disk Drive
Patent: 5,870,247 →
Application: 08/747,481 →
Disc Drive Having an Integral Gasket and Continuous Outer Perimeter Shock Bumper
Patent: 5,703,734 →
Application: 08/749,480 →
Wiring Structure in the Load Beam and Guide Arm of a Magnetic Disk Drive
Patent: 5,936,802 →
Application: 08/753,764 →
Air Bearing Slider with Offset Crossbars to Reduce Roll
Patent: 5,761,004 →
Application: 08/753,811 →
Air Bearing Slider with Reduced Contamination Sensitivity and Method for Making the Same
Patent: 5,926,343 →
Application: 08/753,831 →
Equalizer Having a Processing Unit for Selecting a Coefficient Out of a Coefficient Table
Patent: 5,970,091 →
Application: 08/756,648 →
Magnetic Tunnel Junction Device with Longitudinal Biasing
Patent: 5,729,410 →
Application: 08/757,422 →
Silicon Coating on Air Bearing Surface for Magnetic Thin Film Heads
Patent: 6,117,283 →
Application: 08/759,479 →
Recording/Reproducing Separation Type Magnetic Head
Patent: 5,894,380 →
Application: 08/760,868 →
Cermet Adhesion Layer with Carbonaceous Wear Layer for Head/Disk Interfaces
Patent: 5,948,532 →
Application: 08/763,265 →
Seek Optimization for Disk Files with Side-by-Side Head
Patent: 5,793,555 →
Application: 08/766,010 →
Method and Apparatus for Servo Data Pattern Detection
Patent: 6,031,672 →
Application: 08/767,970 →
Bearing and Manufacturing Method of Bearing, and Magnetic Disk Device with Bearing Containing a Lubricating Grease
Patent: 5,856,281 →
Application: 08/768,537 →
Disk and Storage Device Having an Anti-Alias Data Pattern Located on a Servo Sector
Patent: 5,847,894 →
Application: 08/778,278 →
Magnetic Recording/Reproducing Device with a Function of Correcting Waveform of Magnetoresistive-Effect Head
Patent: 5,969,896 →
Application: 08/778,761 →
A Method for Detecting Redundant Nonadjacent Synchronization Bytes
Patent: 5,940,233 →
Application: 08/782,206 →
System and Method for Providing Nonadjacent Redudancy Synchronization Bytes
Patent: 6,124,994 →
Application: 08/782,207 →
Digital Servo Control System for a Data Recording Disk File with Improved Saturation Modelling
Patent: 5,898,286 →
Application: 08/782,730 →
Electronic Circuit Implementing Component Level Disk Drive
Patent: 6,035,429 →
Application: 08/784,507 →
Method and Apparatus for Preventing Write Operations in the Presence of Post-Shock Motion
Patent: 6,115,200 →
Application: 08/794,614 →
Method and Apparatus for Implementing a Set Rate Code for Data Channels with Alternate 9-Bit Code Words and 8-Bit Code Words
Patent: 5,784,010 →
Application: 08/794,718 →
Microscopic Bar Code for Component Identification and Method for Making Same
Patent: 5,907,144 →
Application: 08/795,579 →
Magnetoresistive Effect Head
Patent: 5,936,810 →
Application: 08/795,646 →
Arrangement Structure of the Printed Circuit Board and the Interface Cable Connector of a Magnetic Disk Drive
Patent: 6,351,343 →
Application: 08/798,443 →
System and Method for Determining When Hard Disk Drive Power Amplifier Is Saturated
Patent: 6,088,188 →
Application: 08/798,529 →
Circuit Arrangement and Method with Temperature Dependent Signal Swing
Patent: 5,910,751 →
Application: 08/800,608 →
Multiply-Written Servo Burst Patterns for Minimizing Position Error in Servo Disk Drives
Patent: 6,049,442 →
Application: 08/800,901 →
Disk Drive Apparatus and Error Recovery Method in the Disk Drive
Patent: 5,918,001 →
Application: 08/802,019 →
Negative Pressure Air Bearing Slider
Patent: 6,449,126 →
Application: 08/806,864 →
Storage Device for Reliably Maintaining Data in a Reproducible State for a Long Period of Time
Patent: 5,923,485 →
Application: 08/811,570 →
Digital Write-and-Read Method and Signal Processing Apparatus
Patent: 5,881,071 →
Application: 08/812,286 →
Perpendicular Magnetic Recording Medium and Magnetic Recording Device Using the Same
Patent: 5,863,631 →
Application: 08/813,017 →
Method and Apparatus for Encoding Digital Servo Information in a Servo Burst
Patent: 6,049,438 →
Application: 08/813,775 →
Single Beam Flexure for a Head Gimbal Assembly
Patent: 5,781,379 →
Application: 08/816,976 →
Magnetic Disk Device with Dummy Write Function
Patent: 5,995,310 →
Application: 08/819,089 →
Magnetic Disk Having Css Area with Concave and Convex Portions and Apparatus Containing the Same
Patent: 5,930,091 →
Application: 08/820,683 →
Disk Drive Using Multiple Servo Timing Marks That Form a Code of Unique Interrelated Bit Patterns
Patent: 5,903,410 →
Application: 08/823,435 →
Device for the Automatic Loading/Unloading of Magnetic Disks
Patent: 5,870,255 →
Application: 08/823,710 →
Apparatus for Positioning Magnetic Head and Method of the Same
Patent: 5,986,845 →
Application: 08/823,837 →
Transducer Suspension System
Patent: 6,433,967 →
Application: 08/825,424 →
Spindle Motor Having Improved Bonding Between Its Bearing Cartridge and Hub
Patent: 6,556,374 →
Application: 08/825,449 →
Disk Drive Zoned Sequential Data Format and Head Switch Sequence
Patent: 6,034,837 →
Application: 08/828,607 →
Method and Apparatus for Sid-to-Sid Period Estimation
Patent: 6,081,397 →
Application: 08/833,637 →
Multiple Element Transducer for Magnetic Recording
Patent: 6,104,562 →
Application: 08/834,781 →
Dual Latch Apparatus for Restraining a Direct Access Storage Device Actuator
Patent: 5,742,455 →
Application: 08/837,809 →
Thin Film Magnetic Disk with Coptcrb Layer
Patent: 6,187,408 →
Application: 08/838,376 →
Disk Drive in-Hub Radial-Gap Spindle Motor with Coils Generating Axial Fields
Patent: 5,923,105 →
Application: 08/842,137 →
Method and Apparatus for Determining Head Positioning in a Magnetic Disk Drive System Using First and Second Gray Codes
Patent: 6,075,667 →
Application: 08/845,522 →
Method and Apparatus for Allocation of Disk Memory Space for Compressed Data Records
Patent: 6,000,009 →
Application: 08/851,109 →
Dynamic Reverse Reassign Apparatus and Method for a Data Recording Disk Drive
Patent: 6,034,831 →
Application: 08/853,978 →
Air Bearing Slider Having a Releived Trailing Edge
Patent: 5,872,684 →
Application: 08/857,111 →
Dual Etch Step Pad Air Bearing Design with Three Etch Depths
Patent: 6,055,128 →
Application: 08/857,115 →
Dual Etch Step Process for Making a Three Etch Depth Air Bearing Slider
Patent: 6,004,472 →
Application: 08/858,208 →
Magnetic Head and Magnetic Disk Apparatus Provided Therewith
Patent: 5,969,910 →
Application: 08/858,240 →
Method and Apparatus for Data Detection for Prml Data Channels
Patent: 5,949,831 →
Application: 08/859,983 →
Method for Making a Spin Valve Magnetoresistive Sensor
Patent: 5,871,622 →
Application: 08/862,453 →
Disk File Suspension Formed Flexure
Patent: 5,896,247 →
Application: 08/862,684 →
Disk Drive Initiated Data Transfers Responsive to Sequential or Near Sequential Read or Write Requests
Patent: 6,038,619 →
Application: 08/865,338 →
Shrink-Fit Disk-Clamp for Hard Disk Drives
Patent: 5,940,244 →
Application: 08/865,344 →
Method and Apparatus for Disk Shock Protection
Patent: 5,963,392 →
Application: 08/869,562 →
Disk Drive with a Thermal Asperity Reduction Circuitry Using a Magnetoresis Sensor
Patent: 5,793,576 →
Application: 08/869,732 →
Planar Hga for Pico/Nano Slider
Patent: 5,875,071 →
Application: 08/873,264 →
In Situ Offset Correction for Position Error Signal
Patent: 6,078,461 →
Application: 08/873,373 →
Electrical Connection for Slider/Suspension Assembly
Patent: 5,889,636 →
Application: 08/873,777 →
Direct Access Storage Device with Magneto-Resistive Transducing Head Apparatus and a Common Read Return Signal Line
Patent: 5,883,767 →
Application: 08/877,223 →
Servo-Writing System for Use in a Data Recording Disk Drive
Patent: 5,909,333 →
Application: 08/878,711 →
Carbon Overcoat for a Slider with Improved Step Coverage
Patent: 5,943,187 →
Application: 08/878,976 →
Load/Unload Disk Drive with Multistage Retract Circuit for Parking the Head Carriers on Power Down
Patent: 6,025,968 →
Application: 08/880,835 →
A Digital Signal Decoding Apparatus and a Decoding Method Used Therein
Patent: 5,940,416 →
Application: 08/881,508 →
Actuator Arm Assembly with Self-Locking Arm
Patent: 5,768,064 →
Application: 08/884,429 →
Head Load-Unload and Disk Airflow Control Apparatus
Patent: 5,898,545 →
Application: 08/886,862 →
Magnetoresistive Head and Manufacturing Method Therefor
Patent: 6,088,196 →
Application: 08/888,524 →
Method and Apparatus for Positioning a Magnetoresistive Head
Patent: 5,880,901 →
Application: 08/888,879 →
Method and Apparatus for Positioning a Magnetoresistive Head Using Thermal Response to Servo Information on the Record Medium
Patent: 6,084,754 →
Application: 08/888,992 →
Transducer Suspension System
Patent: 5,862,010 →
Application: 08/889,836 →
Trigger Pattern Detection Method and Apparatus
Patent: 6,101,055 →
Application: 08/891,282 →
Signal Error Generating Circuit for an Analog Signal Processing Channel
Patent: 6,005,730 →
Application: 08/891,489 →
Signal Processing Circuit with Feedback Extracted from a Sampled Analog Error Signal
Patent: 6,151,179 →
Application: 08/891,517 →
System for Handling Missed Revolution in a Disk Drive by Aborting the Execution of Primary Command and Executing Secondary Command If a Missed Revolution Occurs
Patent: 5,991,825 →
Application: 08/891,572 →
Method and Error Correcting Code (Ecc) Apparatus for Storing Predefined Information with Ecc in a Direct Access Storage Device
Patent: 6,079,044 →
Application: 08/892,244 →
Method and Apparatus for Reducing Space Allocation Failures in Storage Management Systems
Patent: 6,088,764 →
Application: 08/892,246 →
Laminated Thin Film Disk for Longitudinal Recording
Patent: 6,077,586 →
Application: 08/892,724 →
Radial Self-Propagation Pattern Generation for Disk File Servowriting
Patent: 5,907,447 →
Application: 08/893,316 →
Wired Suspension Assembly in Disk Storage Device Method for Assembly Head Suspension Assembly
Patent: 5,754,370 →
Application: 08/893,446 →
Disk Drive with Rotatable Bumper Blocks
Patent: 5,760,998 →
Application: 08/898,190 →
A Suspension Assembly Supporting Sliders Having Different Sizes for Multi-Mode Operation in a Disk Drive Assembly
Patent: 5,953,180 →
Application: 08/899,088 →
Actuator Retract/Unload System for Low Power Disk Drives
Patent: 6,016,234 →
Application: 08/900,961 →
High Performance Disk Drive Limit Stop Employing Encapsulated Visco-Elastic Material
Patent: 5,905,606 →
Application: 08/902,448 →
Gasket Frame for Grounding an Actuator Flex Cable in a Disc Drive
Patent: 5,969,901 →
Application: 08/904,030 →
Method and Apparatus to Increase Head/Ae Select Robustness for a System Using Multiple Head Servo Write
Patent: 5,966,263 →
Application: 08/904,430 →
Adaptive Pulse Width Modulated Motor Control
Patent: 5,986,426 →
Application: 08/906,306 →
Digital Demodulation of a Complementary Two-Frequency Servo Pes Pattern
Patent: 6,025,970 →
Application: 08/908,742 →
Two Frequency Servo Pes Pattern
Patent: 5,966,264 →
Application: 08/908,743 →
Gain Control for a Dual Burst, Dual Frequency Pes Servo Pattern
Patent: 6,078,445 →
Application: 08/908,779 →
Compact Servo Pattern Optimized for M-R Heads
Patent: 6,057,977 →
Application: 08/910,968 →
Multiple Servo Track Types Using Multiple Frequency Servo Patterns
Patent: 6,034,835 →
Application: 08/910,972 →
Dual Latch Apparatus for Restraining a Direct Access Storage Device Actuator
Patent: 5,877,922 →
Application: 08/911,686 →
Composite Disk Substrates
Patent: 6,068,905 →
Application: 08/915,227 →
Transducer Suspension System
Patent: 5,872,687 →
Application: 08/917,154 →
Quadrature Servo Pattern Disk Providing Asynchronous Digital Pes
Patent: 5,818,659 →
Application: 08/918,959 →
Method and Apparatus for Providing Separate Read/Write Velocity Curves
Patent: 6,111,720 →
Application: 08/919,843 →
Head Selectable Servo Notch Filter and Method for Improving Servo System Performance
Patent: 6,122,125 →
Application: 08/919,857 →
Magnetoresistive Head with Asymmetric Leads
Patent: 5,790,352 →
Application: 08/920,090 →
Disk Drive Having Position Sensor for Ramp Load and Unload, and Method for Its Use
Patent: 5,831,786 →
Application: 08/922,115 →
A Disk Drive Having an Insert with a Channel for Directing Air Flow to a Rotary Actuator Voice Coil
Patent: 5,956,203 →
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Fan and Fold Head Lead Termination Method Using Flex Cable with Edge Termination Pads
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Actuator Arm Assembly and Wiring Apparatus Used in a Disk Storage System for Wiring Voice Coil Wires to a Flex Cable
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Cordless Compression Motor Connector for a Hard Disk Drive
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Ball Bearing Oil/Grease Loss Containment Method
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Surface Analysis Test Defect Detector for Direct Access Storage Device
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High Density Magnetic Recording Medium Utilizing Selective Growth of Ferromagnetic Material
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Method and Apparatus for Real-Time Filtering of a Position Error Signal for a Disk Drive Servo System
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Hard Disk Drive and Hard Disk Apparatus Having Bus and Its Installing Method
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Variable Gain Amplifier with Temperature Compensation for Use in a Disk Drive System
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Voltage-Biasing, Voltage-Sensing Differential Preamplifier for Magnetoresistive Elements
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Non-Homogeneous Laminate Material for Suspension with Electrostatic Discharge Shunting
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Detection and Characterization of Defects on Surfaces of Magnetic Disks
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Wideband Readout of Magneto-Resistive Heads for Data Storage
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Disk Drive with Mode Canceling Actuator
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Disk-Flutter Servo Control in Rotating Storage System with Optimum Disk Thickness
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Disk Drive Unit with Hydrodynamic Fluid Bearing Unit and Disk Device with Said Drive Unit
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Biasing for Tunnel Junction Head
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Read Head Having Spin Valve Sensor with Improved Capping Layer
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Stabilized Mr Sensor and Heat Guide Joined by Contiguous Junction
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Method, System, and Program for Reordering a Queue of Input/Output Commands
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Method and System for Translating Ttl Off-Chip Drive for Integrated Circuit with Negative Substrate Bias
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Magnetic Disk Drive Suspension Pitch Motion Limiter
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Small Area Magnetic Tunnel Junction Devices with Low Resistance and High Magnetoresistance
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Method, System, and Program for Performing Data Transfer Operations on User Data
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Spin Valve Sensor Having Improved Interface Between Pinning Layer and Pinned Layer Structure
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Linearity Compensation for a Position Error Signal Based on Repeatable and Non-Repeatable Run Out in a Disk Drive
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Magnetic Disk Drive with Load/Unload Structure Including a Base, a Body, Ramps, and a H/L Ratio of 2 or Greater
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Storage Device for Reliably Maintaining Data in a Reproducible State for a Long Period of Time
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Method and System for Power Amplifier Offset Nulling
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Air Bearing Slider and Manufacturing Method Therefor
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Head Positioning System for a Disk Drive During a Power Down Condition
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Servo System Responsive to Temperature Changes
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Sputtering Method of Manufacturing Fe-Ai-N-O Laminated Films Using N2O as the Reactive Gas
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Signal Processing Apparatus and a Data Recording and Reproducing Apparatus Including Local Memory Processor
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Method and Apparatus for Sustaining Feedback Filter State Having Periodic Output
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Continuous Junction Spin Valve Read Head Stabilized Without Hard Bias Layers
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Multilayered Pinned Layer of Cobalt Based Films Separated by a Nickel Base Film for Improved Coupling Field and Gmr for Spin Valve Sensors
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Spin Valve Read Sensor with Specular Reflector Structure Between a Free Layer Structure and a Keeper Layer
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Patterned Magnetic Recording Disk with Substrate Patterned by Ion Implantation
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Patterned Magnetic Recording Media Containing Chemically-Ordered Fept or Copt
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Magnetic Disk Device with Dummy Write Function
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Chemical Synthesis of Monodisperse and Magnetic Alloy Nanocrystal Containing Thin Films
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Spin Valve Sensor with Nickel Oxide Pinning Layer on a Chromium Seed Layer
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High Operating Temperature Gold Leads for a Read Sensor
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Magnetic Read Head Having Spin Valve Sensor with Improved Seed Layer for a Free Layer
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Spin Valve Sensor with Encapsulated Keeper Layer and Method of Making
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Magnetic Read Head Sensor with a Reactively Sputtered Pinning Layer Structure
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Anti-Corrosive Pigments
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Magnetic Disk Media with Patterned Sections
Patent: 6,421,195 →
Application: 09/399,008 →
Apparatus and Method Suitable for Magnetic-Thermal Recording
Patent: 6,532,125 →
Application: 09/408,946 →
Data Storage Device Servo Control Apparatus and Method
Patent: 6,414,809 →
Application: 09/412,890 →
Magnetic Recording Media with Antiferromagnetically Coupled Ferromagnetic Films as the Recording Layer
Patent: 6,280,813 →
Application: 09/416,364 →
Dual Element Head with Radial Offset Optimized for Minimal Write-to-Read Track Error
Patent: 6,359,749 →
Application: 09/419,479 →
Electronic Magnetoresistive Voltage Biasing Using a Circuit and Current Mirrors
Patent: 6,101,056 →
Application: 09/419,811 →
Method and Apparatus for Erasing Information from a Disk Within a Magnetic Disk Drive Using an Externally Generated Magnetic Field
Patent: 6,570,727 →
Application: 09/423,106 →
Method and Apparatus for Controlling Write Operations of a Data Storage System Subjected to a Shock Event
Patent: 6,429,990 →
Application: 09/428,828 →
Publication: US 2001/0043423
Spindle Motor Startup Method and Apparatus
Patent: 6,218,794 →
Application: 09/429,529 →
Method and System for Performing Positioning Control of a Head Actuator in a Disk Device Utilizing a Digital Filter
Patent: 6,567,230 →
Application: 09/429,696 →
Vibration Mode Compensation for Disk Drive
Patent: 6,567,231 →
Application: 09/429,864 →
Self-Sufficient Capacitive Voice Coil Actuator Retract Device with Crash Stop Bounce Detector
Patent: 6,567,232 →
Application: 09/430,212 →
Pulse Modulated Capacitive Retract Device for a Voice Coil Actuator
Patent: 6,316,898 →
Application: 09/430,517 →
Suspension, Head Suspension Assembly, and Disk Drive Apparatus
Patent: 6,633,456 →
Application: 09/430,529 →
A Head Supporting Arm Having Laser Beam Exposing Aperture A
Patent: 6,366,431 →
Application: 09/430,995 →
Method and Device for Recording and Reproducing Data
Patent: 6,577,462 →
Application: 09/445,217 →
Predictive Power Saving Method and Apparatus for a Device Based on Computed Amount of Power Saving and Time at Which the Device Should Transition from First State to Second State
Patent: 6,553,501 →
Application: 09/448,161 →
Disk Drive Device with a High Frequency Access Method and Apparatus
Patent: 6,556,369 →
Application: 09/448,227 →
Error Recovery in a Disk Drive
Patent: 6,490,691 →
Application: 09/448,236 →
Magnetic Recording Disk Drive
Patent: 6,657,804 →
Application: 09/451,912 →
Disk Drive and Method of Multi-Block Size Addressing
Patent: 6,523,085 →
Application: 09/456,850 →
Fast Track Reassign in a Rotating Storage Media
Patent: 6,574,699 →
Application: 09/456,890 →
Spin Valve Sensor Free Layer Structure with a Cobalt Based Layer That Promotes Magnetic Stability and High Magnetoresistance
Patent: 6,783,635 →
Application: 09/458,581 →
Publication: US 2003/0086217
Magnetic Head and Magnetic Head Manufacturing Method
Patent: 6,278,582 →
Application: 09/469,180 →
Rotationaly Free Mount System for Disk Drive Having a Rotary Actuator
Patent: 6,683,745 →
Application: 09/472,175 →
Thin Film Magnetic Head and Magnetic Disk Apparatus Using the Same
Patent: 6,288,871 →
Application: 09/478,515 →
Process to Tune the Slider Trailing Edge Profile
Patent: 6,423,240 →
Application: 09/479,859 →
Magnetic Recording Media and Magnetic Storage Device
Patent: 6,365,287 →
Application: 09/487,172 →
Magnetic Recording Disk with Composite Perpendicular Magnetic Recording Layer
Patent: 6,468,670 →
Application: 09/487,234 →
Method, System, and Program for Mapping Logical Addresses to High Performance Zones on a Storage Medium
Patent: 6,502,178 →
Application: 09/503,279 →
Self-Monitoring Storage Device Using Neural Networks
Patent: 6,574,754 →
Application: 09/503,457 →
Apparatus with and Method of Unique Disk Indentification for Magnetic Hard Disk Drives
Patent: 6,424,484 →
Application: 09/506,968 →
Method and Apparatus for Improving Track Format Efficiency in a Direct Access Storage Device
Patent: 6,577,460 →
Application: 09/516,100 →
Noise-Predictive Post-Processing for Prml Data Channel
Patent: 6,460,150 →
Application: 09/517,352 →
Disk Drive with Improved Retract Circuit and Method
Patent: 6,643,087 →
Application: 09/519,142 →
Method and Apparatus for Thermal Asperity Recovery for Word Sync Detection in Data Channels
Patent: 6,583,941 →
Application: 09/522,111 →
Magnetic Disk Drive with Integrated Electrical Conductors for Recording Element
Patent: 6,404,594 →
Application: 09/523,383 →
Magnetic Recording Medium and Maegnetic Recording System Using Such a Magnetic Recording Medium
Patent: 6,403,242 →
Application: 09/524,914 →
High Performance Suspension with Reduced Flow-Induced Vibration
Patent: 6,747,849 →
Application: 09/531,872 →
Magnetic Head Having Write Head with Double Split Yoke
Patent: 6,542,331 →
Application: 09/546,576 →
Fluid Dynamic Bearing Assembly
Patent: 6,524,006 →
Application: 09/547,916 →
Pinned Layer Structure Having Nickel Iron Film for Reducing Coercivity of a Free Layer Structure in a Spin Valve Sensor
Patent: 6,583,969 →
Application: 09/547,960 →
Active Micromechanical Air Valve for Pressure Control and Method for Making Same
Patent: 6,578,816 →
Application: 09/549,259 →
Data Recording/Readback Method and Dada Recording/Readback Device for the Same
Patent: 6,668,349 →
Application: 09/549,929 →
Method and apparatus for correcting for systematic errors in timing pattern generation
Patent: 6,307,697 →
Application: 09/550,643 →
Methods for Creating Ground Paths for Ils
Patent: 6,700,748 →
Application: 09/561,821 →
Method of Making Inductive Head with Reduced Height Insulation Stack Due to Partial Coverage Zero Throat Height Defining Insulation Layer
Patent: 6,560,853 →
Application: 09/562,147 →
Trigger pattern detection method and apparatus
Patent: 6,259,574 →
Application: 09/564,830 →
Integrated Trace Suspension Interconnect for High-Data-Rate Single-Ended Preamplifier for (G)Mr Elements
Patent: 6,608,736 →
Application: 09/566,375 →
System and Method for Calibrating a Corner Frequency of a Tunable Filter Employed in a Read Channel of a Data Storage System
Patent: 6,469,856 →
Application: 09/570,277 →
High Resistivity Films for Ap Layers in Spin Valves
Patent: 6,548,186 →
Application: 09/574,301 →
Spin Valve Sensor with Magnetic and Nonmagnetic Layers for Improving Asymmetry and Softness of a Free Layer Structure
Patent: 6,552,881 →
Application: 09/574,685 →
Method and Apparatus for Predicting Recovery Time of Hard Disk Drive
Patent: 6,549,973 →
Application: 09/575,207 →
Creating an Initial Set of Tracks in a Self-Servowriting System Using a Compliant Crashstop to Control Head Movement
Patent: 6,603,627 →
Application: 09/584,302 →
Hard Disk Drive with Slider Support Structure and Head Gimbal Assembly
Patent: 6,459,549 →
Application: 09/586,830 →
Magnetic Disk Apparatus in Which Contact Between a Disk and a Carriage Arm by an External Impact Is Prevented
Patent: 6,504,683 →
Application: 09/589,746 →
Head Supporting Arm Including an Aperture for Laser Exposure and Limiter Engagement
Patent: 6,556,384 →
Application: 09/590,659 →
Lanthanide Oxide Dissolution from Glass Surface
Patent: 6,402,851 →
Application: 09/590,667 →
Secondary Actuator System for Mode Compensation
Patent: 6,621,653 →
Application: 09/590,891 →
Disk Storage Device and a Method for Processing Defective Sectors in a Disk Storage Device
Patent: 6,636,985 →
Application: 09/591,257 →
Related Assignments (2)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Sep 21, 2005
From: INTERNATIONAL BUSINESS MACHINES CORPORATION
To: HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.V.
Reel/Frame 016824/0508 →
Change of Name Oct 25, 2012
From: HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.V.
To: HGST NETHERLANDS B.V.
Reel/Frame 029341/0777 →