P

Inventor

HANSON WELDON M

US33 patents
⚠️ This page may combine multiple inventors who share the name “HANSON WELDON M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WESTERN DIGITAL TECH INC

24 patents
US10417089B2Sep 17, 2019

Data storage device extending erasures for LDPC-type decoding

WESTERN DIGITAL TECH INC26 citations94
US12099409B2Sep 24, 2024

Adjustable code rates and dynamic ECC in a data storage device

WESTERN DIGITAL TECH INC3 citations73
US11138996B1Oct 5, 2021

Data storage device employing embedded servo sectors for magnetic tape

WESTERN DIGITAL TECH INC2 citations73
US11049520B1Jun 29, 2021

Data storage device employing multi-tier coding for magnetic tape

WESTERN DIGITAL TECH INC4 citations73
US10530390B2Jan 7, 2020

Data storage device employing memory efficient processing of un-converged codewords

WESTERN DIGITAL TECH INC5 citations73
US10606699B2Mar 31, 2020

Data storage device employing multi-level parity sectors for data recovery procedure

WESTERN DIGITAL TECH INC6 citations72
US10373645B2Aug 6, 2019

Data storage device dynamically generating extended redundancy over interleaves of a data track

WESTERN DIGITAL TECH INC2 citations72
US12020733B2Jun 25, 2024

Sector metrics to estimate health of written data

WESTERN DIGITAL TECH INC2 citations71
US11764813B1Sep 19, 2023

Extendable parity code matrix construction and utilization in a data storage device

WESTERN DIGITAL TECH INC3 citations71
US11200912B1Dec 14, 2021

Data storage device with servo field dependent write boost

WESTERN DIGITAL TECH INC6 citations71
US10783913B1Sep 22, 2020

Data storage device measuring air bearing resonant frequency to calibrate fly height touchdown power

WESTERN DIGITAL TECH INC2 citations68
US12474994B2Nov 18, 2025

Preprocessing for correcting insertions and deletions in DNA data storage

WESTERN DIGITAL TECH INC0 citations62
US12430202B2Sep 30, 2025

Nested error correction codes for DNA data storage

WESTERN DIGITAL TECH INC0 citations62
US12028091B2Jul 2, 2024

Adjustable code rates and dynamic ECC in a data storage device with write verification

WESTERN DIGITAL TECH INC0 citations62
US11386927B1Jul 12, 2022

Data storage device synchronizing first channel based on sync mark detected in second channel

WESTERN DIGITAL TECH INC0 citations62
US11373682B2Jun 28, 2022

Data storage device reading data from magnetic tape in forward and reverse direction

WESTERN DIGITAL TECH INC0 citations62
US11289123B2Mar 29, 2022

Magnetic recording tape having embedded servo sectors on data tracks

WESTERN DIGITAL TECH INC0 citations62
US11055171B2Jul 6, 2021

Data storage device employing multi-level parity sectors for data recovery procedure

WESTERN DIGITAL TECH INC1 citations62
US12445142B2Oct 14, 2025

Channel circuit with asynchronous sampling from an oversampled analog-to-digital converter

WESTERN DIGITAL TECH INC0 citations61
US11948602B2Apr 2, 2024

Offset spiral data track format for data storage devices

WESTERN DIGITAL TECH INC0 citations61
US11482247B2Oct 25, 2022

Data storage device with history dependent write boost

WESTERN DIGITAL TECH INC0 citations61
US11716097B2Aug 1, 2023

Signal correction using soft information in a data channel

WESTERN DIGITAL TECH INC0 citations60
US11756581B1Sep 12, 2023

Position and risk reconstruction in shingled magnetic recording data storage devices

WESTERN DIGITAL TECH INC0 citations52
US11929093B2Mar 12, 2024

Overlapping processing of data tracks

WESTERN DIGITAL TECH INC0 citations51

IBM

3 patents

HITACHI GLOBAL STORAGE TECH

2 patents

HGST Netherlands BV

2 patents

WESTERN DIGITAL TECHNOLOGIES INC

1 patent

CIDECIYAN ROY D

1 patent