Patent Assignment
Reel/Frame 005195/0838
Merger
Recorded: 1989-07-27
Pages: 8
Assignor
SEAGATE TECHNOLOGY (MERGED INTO)
Executed: 1987-02-04
Assignee
Covered Properties
(50)
Disc Recording Apparatus Including Integral Track Zero and Crash Stop Means
Patent:
4,471,396 →
Application:
06/263,742 →
Head Positioning Assembly for Disc Apparatus
Patent:
4,456,937 →
Application:
06/263,743 →
Magnetic Disc Memory Apparatus Incorporating Temperature Compensation
Patent:
4,602,305 →
Application:
06/496,837 →
Helical Band Drive for Disc Storage Apparatus
Patent:
4,614,989 →
Application:
06/595,894 →
Disc Drive Linear Actuator
Patent:
4,568,992 →
Application:
06/603,549 →
Stress Test for Magnetic Disc Recording Apparatus
Patent:
4,578,721 →
Application:
06/648,470 →
Thermal Isolation of the Voice Coil Motor from Base Plate and Carriage Guide Rails of a Disc Drive
Patent:
4,745,501 →
Application:
06/800,058 →
Method and Means for Parking Read/Write Heads in a Disc Drive Using the Back-Emf of the Spindle Motor to Operate a Stepper Motor
Patent:
4,679,102 →
Application:
06/800,060 →
Compensation Method to Correct Thermally Induced Off-Track Errors in Disc Drives
Patent:
4,620,244 →
Application:
06/800,061 →
Method for Mapping Around Defective Sectors in a Disc Drive
Patent:
4,746,998 →
Application:
06/800,062 →
Method and Apparatus for Evaluating a Recording System Utilizing a Programmable Window Generator Having First and Second Multivibrators Providing Delay
Patent:
4,682,252 →
Application:
06/803,732 →
Helical Band Drive for Disc Storage Apparatus
Patent:
4,654,736 →
Application:
06/868,614 →
Carriage Latch for a Disc Drive
Patent:
4,716,480 →
Application:
06/901,678 →
Flexure Mount for a Disc Drive Actuator
Patent:
4,783,710 →
Application:
06/915,687 →
Servo System Using Averaging of Data from Two Disc Surfaces
Application:
06/928,934 →
Carriage Latch for a Disc Drive Incorporating Inertial Lock-Up
Patent:
4,725,907 →
Application:
06/931,959 →
Disc Drive Spindle Motor with Low Cogging Torque
Patent:
4,847,712 →
Application:
07/046,234 →
Magnetic Head for Perpendicular Magnetic Recording System
Patent:
4,839,761 →
Application:
07/080,063 →
Stepper Motor Data Recovery Method Using a Magnetic Hysteresis Based Stepping Algorithm
Patent:
4,812,928 →
Application:
07/085,117 →
Stepper Motor Magnetic Hysteresis Correction Using a Stepping Algorithm
Patent:
4,768,115 →
Application:
07/085,118 →
Bipolar Motor Control
Patent:
4,739,239 →
Application:
07/091,764 →
Disc Drive Spindle Motor with Low Cogging Torque
Patent:
4,858,044 →
Application:
07/115,268 →
Magnetic Head for Perpendicular Magnetic Recording System and Process
Application:
07/115,423 →
Disc Drive Incorporating Automatic Wear Compensation for a Pivoted Arm
Patent:
4,845,579 →
Application:
07/115,536 →
Integrated Disc Drive and Actuator Support
Patent:
4,881,140 →
Application:
07/115,691 →
Disc Housing Clamping Method
Patent:
4,845,581 →
Application:
07/115,715 →
Disc Clamping Device
Patent:
4,864,443 →
Application:
07/115,716 →
Spindle Motor for a Disc Drive
Patent:
4,841,393 →
Application:
07/116,044 →
Thin Film Cobalt-Containing Recording Medium
Patent:
5,023,148 →
Application:
07/139,673 →
Switch Mode Electrical Power Controller
Application:
07/179,165 →
Radiohalogenation Conjugate Technology
Patent:
5,302,700 →
Application:
07/197,246 →
Voice Coil Actuator Positioning Amplifier
Patent:
4,885,517 →
Application:
07/208,894 →
Disc Drive Error Mapping Using Threshold Comparison Methods
Patent:
4,949,036 →
Application:
07/216,326 →
Air Filtration System for Disc Drives
Patent:
4,888,655 →
Application:
07/220,231 →
Pivot Mechanism for Rotary Disc Drives
Patent:
4,888,656 →
Application:
07/220,232 →
?
Application:
07/220,328 →
Crash Stop and Magnetic Latch for a Voice Coil Actuator
Patent:
4,890,176 →
Application:
07/220,329 →
Backbone Gasket for Disc Drives
Patent:
4,896,231 →
Application:
07/220,509 →
Head Arm Flexure for Disc Drives
Patent:
4,933,791 →
Application:
07/220,547 →
Flexure Mount for Disc Drives
Patent:
4,893,205 →
Application:
07/220,553 →
Resistance Compensation in a Motor Using a Thermally Variable Resistive Network
Patent:
4,926,077 →
Application:
07/221,335 →
Information Storage Disc Transducer Position Control System Using Last Step Damping
Patent:
5,079,653 →
Application:
07/226,150 →
Non-Destructive Method and Apparatus Using Dc Erase Field for Magnetic Measurement of Recording Disc Members
Patent:
4,847,558 →
Application:
07/237,677 →
Electronically Variable Equalizer
Patent:
4,945,311 →
Application:
07/237,876 →
Isolated Switch Mode Power Supply Controller
Patent:
4,901,215 →
Application:
07/244,493 →
Switch Mode Electrical Power Controller
Patent:
4,928,054 →
Application:
07/246,764 →
Integrated Disc Drive and Actuator Support
Application:
07/263,997 →
Single Housing Stepper Motor
Patent:
4,992,686 →
Application:
07/300,486 →
Disc Memory Servo Indexing System
Patent:
4,956,727 →
Application:
07/308,931 →
Lightweight, Rigid, Compact Configuration for the Voice Coil, Carriage and Printed Circuit Cable in a Disc Drive
Patent:
4,967,296 →
Application:
07/325,127 →
Related Assignments
(25)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
May 14, 1981
From: IFTIKAR, SYED H.; REECK, DAVID L.
To: SEAGATE TECHNOLOGY, A CORP. OF CA
Reel/Frame 003926/0083 →
Assignment of Assignors Interest.
May 14, 1981
From: IFTIKAR, SYED H.; REECK, DAVID L.
To: SEAGATE TECHNOLOGY, A CORP. OF CA
Reel/Frame 003926/0080 →
Assigns Free and Clear of Any Lien, Encumbrance or Licenses, the Entire Interest.
Jan 14, 1983
From: TISCHLINGER, EDWARD A.
To: CORDIS CORPORATION
Reel/Frame 004081/0494 →
Assignment of Assignors Interest.
May 23, 1983
From: GHOSE, SANJOY
To: SEAGATE TECHNOLOGY,` A CORP. OF CA
Reel/Frame 004166/0386 →
Assignment of Assignors Interest.
Apr 25, 1984
From: KACZEUS, STEVEN; BIBBY, STEPHEN
To: SEAGATE TECHNOLOGY, 900 DISC DRIVE SCOTTS VALLEY, CA A CORP OF
Reel/Frame 004274/0822 →
Assignment of Assignors Interest.
Jun 4, 1984
From: KACZEUS, STEVEN; NGO, LONG V.
To: SEAGATE TECHNOLOGY, A CA CORP.
Reel/Frame 004303/0979 →
Assignment of Assignors Interest.
Sep 10, 1984
From: BRANNAN, WILLIAM L. JR
To: SEAGATE TECHNOLOGY A CORP. OF CA
Reel/Frame 004308/0924 →
Assignment of Assignors Interest.
Dec 2, 1985
From: SMITH, ROBERT F.
To: SEAGATE TECHNOLOGY
Reel/Frame 004500/0739 →
Assignment of Assignors Interest.
Jan 24, 1986
From: KRAUSE, JAMES N.
To: SEAGATE TECHNOLOGY, A CORP. OF CA.
Reel/Frame 004533/0858 →
Assignment of Assignors Interest.
Jan 24, 1986
From: ROBINSON, DON M.; DAVENPORT, HENRY E.
To: SEAGATE TECHNOLOGY, A CORP. OF CA.
Reel/Frame 004515/0305 →
Assignment of Assignors Interest.
Jan 24, 1986
From: FASANO, RONALD F.; ANDREWS, MICHAEL K.
To: SEAGATE TECHNOLOGY, A CORP. OF CA.
Reel/Frame 004514/0953 →
Assignment of Assignors Interest.
Jan 24, 1986
From: WEVERS, WILLIAM E.; KRAUSE, JAMES N.; BATTU, RAMGOPAL
To: SEAGATE TECHNOLOGY, A CORP. OF CA.
Reel/Frame 004516/0943 →
Assignment of Assignors Interest.
Aug 14, 1987
From: KRAUSE, JAMES N.
To: SEAGATE TECHNOLOGY, SCOTTS VALLEY, CALIFORNIA, A CORP. OF CA
Reel/Frame 004791/0983 →
Assignment of Assignors Interest.
Aug 14, 1987
From: KRAUSE, JAMES N.
To: SEAGATE TECHNOLOGY, SCOTTS VALLEY, CALIFORNIA, A CORP. OF
Reel/Frame 004791/0987 →
Assignment of Assignors Interest.
Sep 4, 1987
From: CRAPO, ALAN D.
To: SEAGATE TECHNOLOGY, SCOTTS VALLEY, CALIFORNIA, A CORP. OF CA
Reel/Frame 004803/0652 →
Assignment of Assignors Interest.
Oct 30, 1987
From: WILKINSON, RICHARD A. JR.
To: SEAGATE TECHNOLOGY, SCOTTS VALLEY, CA. A CORP. OF CA.
Reel/Frame 004811/0388 →
Assignment of Assignors Interest.
Oct 30, 1987
From: ENDO, KAZUO
To: SEAGATE TECHNOLOGY, SCOTTS VALLEY, CA. A CORP. OF CA.
Reel/Frame 004811/0386 →
Assignment of Assignors Interest.
Mar 21, 1988
From: BRONSHVATCH, EFIM
To: SEAGATE TECHNOLOGY, INC.
Reel/Frame 004849/0099 →
Assignment of Assignors Interest.
Mar 21, 1988
From: GHOSE, SANJOY; BRONSHVATCH, EFIM; PETERSON, MILES L.
To: SEAGATE TECHNOLOGY, INC., A DE CORP.
Reel/Frame 004837/0984 →
Assignment of Assignors Interest.
Jan 19, 1989
From: KRAUSE, JAMES N.
To: SEATAGE TECHNOLOGY, INC., A CORP. OF DE
Reel/Frame 005001/0319 →
Security Interest
Nov 2, 1989
From: SEAGATE TECHNOLOGY, INC.
To: SECURITY PACIFIC NATIONAL BANK
Reel/Frame 005221/0294 →
Assignment of Assignors Interest.
Nov 24, 1989
From: KRAUSE, JAMES N.; TREMAINE, BRIAN P.
To: SEAGATE TECHNOLOGY, INC.
Reel/Frame 005182/0607 →
Assignment of Assignors Interest.
Sep 14, 1990
From: IFTIKAR, SYED H.
To: SEAGATE TECHNOLOGY, INC., A CORP. OF DE
Reel/Frame 005432/0760 →
Assignment of Assignors Interest.
Sep 14, 1990
From: REECK, DAVID L.
To: SEAGATE TECHNOLOGY, INC., A DE CORP.
Reel/Frame 005432/0763 →
Released by Secured Party
Feb 22, 1993
From: BANKAMERICA CORPORATION
To: SEAGATE TECHNOLOGY, INC.
Reel/Frame 006496/0048 →