Patent Assignment
Reel/Frame 074024/0084
Intellectual Property Security Agreement
Recorded: 2025-12-18
Pages: 39
Assignor
QUANTUM CORPORATION
Executed: 2025-12-18
Assignee
U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, AS AGENT
MAIL CODE: EP-MN-WS3C, WEST SIDE FLATS ST PAUL, 111 FILLMORE AVE E, SAINT PAUL, MINNESOTA, 55107
Covered Properties
(267)
Method for Acceleration of Storage Devices by Returning Slightly Early Write Status
Patent:
6,757,767 →
Application:
09/583,598 →
Producing a Mass Storage Backup Using a Log of Write Commands and Time Information
Patent:
7,334,098 →
Application:
09/588,242 →
Systems and Method for Forming a Servo Pattern on a Magnetic Tape
Patent:
7,153,366 →
Application:
09/718,818 →
Point-To-Point Protocol
Method for Verifying Functional Integrity of Computer Hardware, Particularly Data Storage Devices
Patent:
6,938,188 →
Application:
10/058,243 →
Method for Calibrating a Tape Media Using Staggered Calibration Tracks
Emulated Backup Tape Drive Using Data Compression
Quick Release Fastening System for Storage Devices
Thermal Cooling System for Densely Packed Storage Devices
Forced Air Cooling Fan Having Pivotal Fan Blades for Unidirectional Air Flow
Thin Film Recording Head with a Localized Coating to Protect Against Corrosion and Electrostatic Discharge
Castellation Technique for Improved Lift-Off of Photoresist in Thin-Film Device Processing and a Thin-Film Device Made Thereby
Tape Guiding Reel
Method and System for Tracking Magnetic Media with Embedded Optical Servo Tracks
Extended Error Correction Codes
Error Correction Codes
Creating a Backup Volume Using a Data Profile of a Host Volume
Tape Head with Thin Support Surface and Method of Manufacture
Correcting Data Using Redundancy Blocks
Self-Centering Tape Reel for Single Reel Tape Cartridges
Media Drive Module and Storage Library System
Correcting Data Having More Data Blocks with Errors Than Redundancy Blocks
Logical Library Architecture for Data Storage Applications and Methods of Use
Patent:
7,263,596 →
Application:
10/738,194 →
Error Correction Decoder Using Cells with Partial Syndrome Generation
Methods for Controlling the Use of a Cleaning Cartridge for Tape Drives
Methods and Systems for Providing Predictive Maintenance, Preventative Maintenance, and/or Failure Isolation in a Tape Storage Subsystem
Methods of Manufacturing Magnetic Heads with Reference and Monitoring Devices
Electromagnetic Void-Sensing Probes and Position Control Systems
Magnetic Head with Mini-Outriggers and Method of Manufacture
Apparatus and Method for Virtualizing Data Storage Media, Such as for Use in a Data Storage Library Providing Resource Virtualization
Associating Events with the State of a Data Set
Patent:
7,447,850 →
Application:
10/960,331 →
Media Cartridge Having Reel Suspension System and Method of Manufacture
Current Control Loop Bias Calibration by Integration
Patent:
7,038,417 →
Application:
11/065,705 →
Auto-Servo Tape System and Associated Recording Head
Cartridge Reel Centering Device
Magnetic Recording Heads with Bearing Surface Protections
Data Error Detection During Media Write
Method and Systems for a Highly Error Tolerant Tape Format
Ultra High Track Density Adaptive Head Core Track Pitch Control
Data Storage System and Process
Media Cartridge Autoloader
Method and Apparatus for Indexing in a Reduced-Redundancy Storage System
Method and Apparatus for Detecting the Presence of Subblocks in a Reduced-Redundancy Storage System
Adjacent Track Readers
Multiple Lun Support for Sata Devices
Servo Track Having Periodic Frames of Tone Field and Embedded Synchronization Marks
Methodology and Apparatus for Soft-Information Detection and Ldpc Decoding on an Isi Channel
Intelligent Tape Drive Assembly That Diagnoses and Repairs Its Own Tape Drives
Tape Cartridge for Testing and Repairing a Tape Head of a Type Drive
Patent:
7,395,983 →
Application:
11/786,909 →
Servo Error Detection and Compensation Utilizing Virtual Data Tracking Servo Methods
Method for Manufacturing a Magnetic Head with Mini-Outriggers
Clustered Storage Network
Method to Direct Data to a Specific One of Several Repositories
Patent:
8,209,334 →
Application:
11/966,947 →
Methods and Systems for Vectored Data De-Duplication
Methods and Systems for Improving Read Performance in Data De-Duplication Storage
Methods, Systems and Apparatus for Reducing the Effects of Tape Dimensional Stability
Auto-Servo Tape System and Associated Recording Head
Data Storage System
Methods and Systems for Space Management in Data De-Duplication
Data Storage Media Accessibility in a Media Library
High Density Variable Access Storage Library
Data Flow Control and Bridging Architecture Enhancing Performance of Removable Data Storage Systems
Media Library System and Method for Monitoring Changes in Inventory of Media Cartridges
Identifying Application Metadata in a Backup Stream
Method and Apparatus for Non-Redundant Encrypted Storage
Creating a Self-Contained Portable Output File
Generating Unique Aliases for Keys Used with Tape Libraries
Multi-Rate Tracking with a Multi-Actuator Servo Control
Patent:
7,684,144 →
Application:
12/260,937 →
Method and Apparatus for Tape Drive Data Logging
Classifying Data for Deduplication and Storage
Minimize Damage Caused by Corruption of De-Duplicated Data
Method for Associating Physical Address with Logical Communication Address in a Media Library Assembly
Measuring Reader/Writer Offset in a Tape Drive Head
Data Allocation System
Data De-Duplication by Predicting the Locations of Sub-Blocks Within the Repository
Systems and Methods for Increasing Data Volume Sparseness
Method and Apparatus for Facilitating Control Interface Failover in a Removable Media Storage Device
Patent:
8,381,020 →
Application:
12/657,658 →
Adaptive Filter Using Shifted Reverse Interpolation
Data Identification System
Apparatus & Method for Virtualizing Data Storage Media, Such as for Use in a Data Storage Library Providing Resource Virtualization
Policy Based Data Retrieval Performance for Deduplicated Data
Spatial Locality of File System Block Allocations for Related Items
Methods, Systems and Apparatus for Reducing the Effects of Tape Dimensional Stability
Index Entry Eviction
Sequential Access Storage and Data De-Duplication
Data Flow Control and Bridging Architecture Enhancing Performance of Removable Data Storage Systems
Controlling Configurable Variable Data Reduction
Presenting a File System for a File Containing Items
Method and Apparatus for Storing Data with Reduced Redundancy Using Data Clusters
Waveform Interpolator Architecture for Accurate Timing Recovery Based on Up-Sampling Technique
Method for Media Allocation in a Partitioned Removable Media Storage Library
Method for Increasing Deduplication Speed on Data Streams Fragmented by Shuffling
De-Duplication Indexing
Establishing Parse Scope
Manipulating the Actual or Effective Window Size in a Data-Dependant Variable-Length Sub-Block Parser
Considering Multiple Lookups in Bloom Filter Decision Making
Data Reduction Indexing
File Repair
Methods and Systems for Improving Read Performance in Data De-Duplication Storage
Methods and Systems for Vectored Data De-Duplication
Data Replica Control
Clustered Storage Network
Method and Apparatus for Detecting the Presence of Subblocks in a Reduced-Redundancy Storage System
Delta Chunks and Delta Hashes
Collaborative, Distributed, Data De-Duplication
Control System for Tape Drive to Compensate for System Disturbances Without Use of Feed-Forward Sensor
Preventing Read While Writing Occurrences
Adaptive Correction of Symmetrical and Asymmetrical Saturation in Magnetic Recording Devices
Multi-Tier Bandwidth-Centric Deduplication
Path Lookup in a Hierarchical File System
Head Rotator Assembly for Tape Drive
Data Storage System
Merging Data Volumes and Derivative Versions of the Data Volumes
De-Duplication Reference Tag Reconciliation
Blocklet Pattern Identification
Snapshot Creation from Block Lists
Data De-Duplication and Solid State Memory Device
De-duplication for a global coherent de-duplication repository
Reduction of Degradation of Magnetic Tape Apparatus
Data Allocation System
Reducing Metadata Controller Communication Volume
Method for Mover Transition in an Automated Media Library
Method and Apparatus For Detecting The Presence of Subblocks in a Reduced Redundancy Storing System
Methods, Systems and Apparatus for Reducing the Effects of Tape Dimensional Stability
Magnetic Media Access Head with Metal Coating
Tape Storage Device Having at Least One Redundant Read Data Element
Methods and Systems For Vectored Data De-Duplication
Data Allocation System
Heuristic Journal Reservations
Multi-Threaded Message Passing Journal
Garbage Collection for Virtual Environments
Presenting a File System for a File Containing Items
Efficiency Of Virtual Machines That Use De-Duplication As Primary Data Storage
Magnetic Tape Heads
Patent:
8,873,192 →
Application:
13/954,209 →
Multi-Deduplication
Patent:
9,342,525 →
Application:
13/958,874 →
Method for Reliable and Efficient Filesystem Metadata Conversion
Method and Apparatus for Reducing Messaging in a Client-Server System by Selectively Transitioning State Mode
System and Method for Detecting and Inhibiting Cycle Slip for Multi-Channel Media Drive
Patent:
8,922,927 →
Application:
14/067,653 →
File System Metadata Capture and Restore
Single Pass File System Repair With Copy On Write
Compressed Level Two Block Buffer Metadata Cache
Data Identification System
Dynamically Reconfiguring Rebuild Agents For Erasure Code Rebuild
Combined Asynchronous and Synchronous Fountain Code Storage In an Object Store
Adjusting Redundancy In An Erasure Code Object Store To Account For Varying Data Value
Mitigating The Impact Of A Single Point Of Failure In An Object Store
Dynamically Controlling Erasure Code Distribution In An Object Store
Dynamically Configuring Erasure Code Redundancy And Distribution
Clustered Storage Network
Metadata Storage in Unused Portions of a Virtual Disk File
Data Control System for Virtual Environment
N-Way Inode Translation
High Reliability Erasure Code Distribution
Data Deduplication With Adaptive Erasure Code Redundancy
Immediate Recovery Of Virtual Machine Using Deduplication Device and Snapshots
File Level Recovery Using Virtual Machine Image Level Backup with Selective Compression
Fingerprint Analysis for Anti-Virus Scan
Distribution and Replication of Erasure Codes
Merging Data Volumes and Derivative Versions of the Data Volumes
Messaging Policy Controlled Email De-Duplication
Magnetic Media Access Head with Metal Coating
Erasure Code Prioritization
Garbage Collection And Defragmentation For Solid State Drives (SSD) and Shingled Magnetic Recording (SMR) Drives
Methods and System for Vectored Data De-Duplication
Methods and Systems For Vectored Data De-Duplication
Methods and Systems For Vectored Data De-Duplication
Moving Data From Linear Tape File System Storage To Cloud Storage
Dynamically Variable Error Correcting Code (Ecc) System with Hybrid Rateless Reed-Solomon Eccs
Cloud-Based Solid State Device (SSD) With Dynamically Variable Error Correcting Code (ECC) System
Global Storage Solution With Logical Cylinders and Capsules
Doubly Distributed Erasure Codes
Patent:
9,431,054 →
Application:
14/727,893 →
Log Structured Block Device for Hard Disk Drive
Data Storage Apparatus with Selective Adaptive Predictive Behavior
File System With Multi-Class In Situ Tiered Archiving
Database Conversion From Single Monolithic File Mode To One Table Per File And One File Per Table Mode
Adaptive Erasure Codes
Mobile Device Agent For Personal Deduplication
Media Library Including Storage Media Retrieval Assembly
Presenting a File System for a File Containing Items
Media Library Including Storage Media Retrieval Assembly
Magnetic Media Access Head with Metal Coating
Merging Data Volumes and Derivative Versions of the Data Volumes
Recursive Multi-Threaded File System Scanner For Serializing File System Metadata Exoskeleton
Storage Conditioning With Intelligent Rebuild
Metadump Spatial Database System
High/Low Energy Zone Data Storage
Efficient High/Low Energy Zone Solid State Device Data Storage
Filter File System With Inode Number As Primary Database Key
Combined Asynchronous and Synchronous Fountain Code Storage in an Object Store
Joint De-Duplication-Erasure Coded Distributed Storage
Data Deduplication with Adaptive Erasure Code Redundancy
Heuristic Journal Reservations
Efficient Data Storage Across Multiple Storage Volumes Each Representing a Track of a Larger Storage Volume
Metadata Storage in Unused Portions of a Virtual Disk File
Dynamically Configuring Erasure Code Redundancy and Distribution
Unsuccessful Storage Media Movement Handling in Automated Removable Storage Media Environments
Heuristic Journal Reservations
Sequential Access Storage and Data De-Duplication
Data Aware Deduplication Object Storage (Dados)
Data Replica Control
File Level Recovery Using Virtual Machine Image Level Backup with Selective Compression
Object Synthesis
Network Attached Device for Accessing Removable Storage Media
Media Drive System with Built-in Controller for Improved Functionality
Method for Reliable and Efficient Filesystem Metadata Conversion
Data Deduplication with Adaptive Erasure Code Redundancy
Garbage Collection and Defragmentation for Solid State Drives (Ssd) and Shingled Magnetic Recording (Smr) Drives
Dynamically Controlling Erasure Code Distribution in an Object Store
In-Situ Data Verification for the Cloud
Systems and Methods for Data Management Using Zero-Touch Tagging
Power Savings in Cold Storage
Adaptive Storage Management for Optimizing Multi-Tier Data Storage System
Flexible Synchronous File System Replication
Data Redirector for Scale Out
Diagnostic Tape Cartridge Patterned with Predetermined Head-Media Spacings for Testing a Tape Head of a Tape Drive
Adaptive Pre-Fetch
Joint De-Duplication-Erasure Coded Distributed Storage
Magnetic Tape Cartridge with Increased Data Storage Capacity
Erasure Coding Magnetic Tapes for Minimum Latency and Adaptive Parity Protection Feedback
Cloud-Based Solid State Device (Ssd) with Dynamically Variable Error Correcting Code (Ecc) System
Data Storage Across Simplified Storage Volumes
Filter File System with Inode Number as Primary Database Key
System and Method for Rapid Replacement of Robotic Media Mover in Automated Media Library
System and Method for Evaluating the Internal State of a Media Library
Distributed Erasure Encoding in Shared File System
System and Method for Controlling Internal Temperature of Media Library
Total Dimensional Stability Compensation System and Method for Magnetic Tape Drive
Magnetic Tape Media Cartridge with Increased Tape Media Capacity
Global Storage Solution with Logical Cylinders and Capsules
DYNAMICALLY VARIABLE ERROR CORRECTING CODE (ECC) SYSTEM WITH HYBRID RATELESS REED-SOLOMON ECCs
Specially Formatted Tape Drive for Enabling Improved Performance Capabilities in Multi-Partition Magnetic Tape
Patent:
11,222,659 →
Application:
17/170,646 →
Automatic Implementation of a Physical Barrier to Protect Removable Storage Media Access
Nonvolatile Storage Device with Volatile Memory
Tape Library System with Integrated, Feedback-Based Environmental and Data Durability Control
Patent:
11,341,994 →
Application:
17/331,564 →
Removable Media Based Object Store
System and Method for Cleaning Advanced Lto Tape Systems
Large Form Factor Extended Tape Path Magnetic Tape Storage Device
Patent:
11,676,635 →
Application:
17/356,480 →
Systems and Methods for Random to Sequential Storage Mapping
Real-Time Library-Based in Situ Drive Test, Drive Head Status Detection, Cleaning Verification and Tracking
End-To-End Fixity Check for Archival Storage Based on High-Performance Integrity Test with Data Quality Using Self-Describing Tape Format
Patent:
11,615,813 →
Application:
17/528,443 →
Cloud-Based Solid State Device (Ssd) with Dynamically Variable Error Correcting Code (Ecc) System
System and Method for Rapid Replacement of Robotic Media Mover in Automated Media Library
Storage Apparatus for Shuffling Removable Storage Media
High-Precision Servo System for Advanced Magnetic Tape Storage System
System and Method for Conditioning New Lto Media
Network Attached Device for Accessing Removable Storage Media
Reduced Form Factor, High-Density, Front-Access Only Automated Tape Library
Patent:
11,657,849 →
Application:
17/838,447 →
Total Dimensional Stability Compensation System and Method for Magnetic Tape Drive
Partitioned Data-Based Tds Compensation Using Joint Temporary Encoding and Environmental Controls
DYNAMICALLY VARIABLE ERROR CORRECTING CODE (ECC) SYSTEM WITH HYBRID RATELESS REED-SOLOMON ECCs
Method of Total Dimensional Stability Control in Magnetic Tape System with Global Calibration Data
Storage Apparatus for Shuffling Removable Storage Media
System and Method for Storing and Retrieving Objects Across Multiple Media
Automated System and Method for Diagnosing Tape Drive and Media Issues Within Large-Scale Tape Library System
Artificial Intelligence Augmented Iterative Product Decoding
Joint Multi-Nanopore Sequencing for Reliable Data Retrieval in Nucleic Acid Storage
Application:
18/092,654 →
Publication:
US 2023/0215516
System and Method for Defining Files on Disk to Be Written to Tape in a Specified Manner
System and Method for Writing Data to Tape and Reading Data from Tape Using a Restful Interface
System and Method for Protecting Data in a Back-Up Appliance Using Shallow Metadata Copying
Application:
18/125,047 →
Publication:
US 2023/0306005
Removable Media Based Object Store
Automatic Implementation of a Physical Barrier to Protect Removable Storage Media Access
Self-Contained Sealed Refurbishable Tape Bulk Storage System
Application:
18/334,106 →
Publication:
US 2023/0399195
Camera-Guided Retrieval Assembly for Use Within Media Library
Application:
18/584,341 →
Publication:
US 2025/0273241
Erasure Encoding Using Zone Sets
Application:
18/624,377 →
Publication:
US 2024/0329834
System and Method for Evaluating the Internal State of a Media Library
Application:
18/900,410 →
Publication:
US 2025/0024162
Media Cartridge Protective Case
Patent:
569,103 →
Application:
29/272,948 →
Electrical Connector
Patent:
832,789 →
Application:
29/556,813 →
Related Assignments
(12)
Other recorded transfers of the patents in this record — the chain of ownership.
Security Agreement
Mar 31, 2012
From: QUANTUM CORPORATION
To: WELLS FARGO CAPITAL FINANCE, LLC, AS AGENT
Reel/Frame 027967/0914 →
Security Interest
Oct 21, 2016
From: QUANTUM CORPORATION
To: TCW ASSET MANAGEMENT COMPANY LLC, AS AGENT
Reel/Frame 040451/0183 →
Release of Security Interest
Oct 25, 2016
From: WELLS FARGO CAPITAL FINANCE, LLC, AS AGENT
To: QUANTUM CORPORATION
Reel/Frame 040474/0079 →
Security Interest
Oct 25, 2016
From: QUANTUM CORPORATION
To: PNC BANK, NATIONAL ASSOCIATION
Reel/Frame 040473/0378 →
Security Interest
Dec 27, 2018
From: QUANTUM CORPORATION, AS GRANTOR; QUANTUM LTO HOLDINGS, LLC, AS GRANTOR
To: U.S. BANK NATIONAL ASSOCIATION, AS AGENT
Reel/Frame 049153/0518 →
Release of Security Interest
Dec 27, 2018
From: TCW ASSET MANAGEMENT COMPANY LLC, AS AGENT
To: QUANTUM CORPORATION
Reel/Frame 047988/0642 →
Security Interest
Jan 8, 2019
From: QUANTUM CORPORATION
To: PNC BANK, NATIONAL ASSOCIATION
Reel/Frame 048029/0525 →
Security Interest
Aug 5, 2021
From: QUANTUM CORPORATION; QUANTUM LTO HOLDINGS, LLC
To: BLUE TORCH FINANCE LLC, AS AGENT
Reel/Frame 057107/0001 →
Release of Security Interest
Aug 10, 2021
From: U.S. BANK NATIONAL ASSOCIATION
To: QUANTUM CORPORATION; QUANTUM LTO HOLDINGS, LLC
Reel/Frame 057142/0252 →
Assignment of Assignor's Interest
Apr 24, 2025
From: BLUE TORCH FINANCE LLC, AS AGENT FOR THE SECURED PARTIES
To: ALTER DOMUS (US) LLC, AS AGENT FOR THE SECURED PARTIES
Reel/Frame 071019/0850 →
Termination and Release of Amended and Restated Intellectual Property Security Agreement at Reel/Frame No. 48029/0525
Aug 19, 2025
From: PNC BANK, NATIONAL ASSOCIATION, AS AGENT
To: QUANTUM CORPORATION
Reel/Frame 072542/0594 →
Termination and Release of Intellectual Property Security Agreement at Reel/Frame No. 40473/0378
Oct 8, 2025
From: PNC BANK, NATIONAL ASSOCIATION, AS AGENT
To: QUANTUM CORPORATION
Reel/Frame 073061/0454 →