Inventor

HALL DAVID ROBISON

US42 patents

⚠️ This page may combine multiple inventors who share the name “HALL DAVID ROBISON”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HALL DAVID ROBISON

HGST Netherlands BV

Dynamic variable capacity hard disk drive

Method and apparatus for dynamic track squeeze in a hard drive

Actively written guard bands in a cold storage or mixed mode drive

System and method for initiating refresh operations

Techniques for improving hard disk drive efficiency

Disk drive including I-regions having configurable final logical block addresses

Reducing overcounting of track-level damage caused by adjacent-track and far-track interference

Implementing enhanced host to physical storage mapping using numerical compositions for persistent media

Far field interference mitigation by relative frequency ordering

Bit-level indirection defragmentation

Compression of indirection tables

Storage management in hybrid drives

HITACHI GLOBAL STORAGE TECH

Power-efficient seek operations in hard disk drive

Method and apparatus for implementing command queue ordering with benefit determination of prefetch operations

Method and apparatus for command queue ordering with a sort time reduction algorithm

Space-efficient expected access time algorithm for hard disk drive command queue ordering

Method and apparatus for selecting enqueued data access operations for execution in a disk drive data storage device

Method and apparatus for improving efficiency of operation of a hard disk drive by deferring command execution

Method and system for efficiently calculating and storing expected access time information for DASD

System and method for correcting for head tilt in HDD

System and method for correcting for head tilt in HDD

System and method for correcting for head tilt in HDD

IBM

Write-twice method of fail-safe write caching

Method and apparatus for servicing mixed block size data access operations in a disk drive data storage device

Hard disk drive employing neural network for performing expected access time calculations

Method and system for prefetching data where commands are reordered for execution

Method and apparatus for scheduling data accesses for random access storage devices with shortest access chain scheduling algorithm

Dynamic response shaping for command aging

System and method for scheduling of random commands to minimize impact of locational uncertainty

System and method for efficiently sorting DASD queued commands with unknown rotational latency

HALL DAVID ROBISON

Shingle-written magnetic recording (SMR) device with hybrid E-region

Shingle-written magnetic recording (SMR) device with hybrid E-region

Implementing enhanced updates for indirection tables

Implementing remapping command with indirection update for indirected storage

Implementing enhanced deterministic memory allocation for indirection tables for persistent media

Implementing enhanced EPO protection for indirection data

Implementing enhanced fragmented stream handling in a shingled disk drive

COKER JONATHAN DARREL

Storage device with shingled data and unshingled cache regions

Indirection memory architecture with reduced memory requirements for shingled magnetic recording devices

SMR storage device with user controls and access to status information and parameter settings

WESTERN DIGITAL TECH INC

Methods for writing HDD metadata in NAND flash

Data storage device including temporary storage locations