Inventor
POSS JOEY M
US37 patents
⚠️ This page may combine multiple inventors who share the name “POSS JOEY M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WESTERN DIGITAL TECH INC
30 patentsUS12190924B1Jan 7, 2025
Laser mode hop compensation using multi-sector feedback in heat assisted magnetic recording
WESTERN DIGITAL TECH INC2 citations75
US11735210B2Aug 22, 2023
Preamplifier with read/write power channels
WESTERN DIGITAL TECH INC6 citations75
US11615804B1Mar 28, 2023
Disk drive biasing two write assist elements using three terminal control circuitry
WESTERN DIGITAL TECH INC2 citations73
US10056098B1Aug 21, 2018
Data storage device employing multi-mode sensing circuitry for multiple head sensor elements
WESTERN DIGITAL TECH INC3 citations73
US11694712B2Jul 4, 2023
Data storage device pre-biasing write current for energy assisted magnetic recording
WESTERN DIGITAL TECH INC3 citations72
US11404079B1Aug 2, 2022
Data storage device writing to defective data sector for fly height control
WESTERN DIGITAL TECH INC3 citations72
US11200912B1Dec 14, 2021
Data storage device with servo field dependent write boost
WESTERN DIGITAL TECH INC6 citations71
US12347467B2Jul 1, 2025
DC and synchronized energy assisted perpendicular magnetic recording (EPMR) driver circuit for hard disk drive (HDD)
WESTERN DIGITAL TECH INC0 citations62
US12347465B2Jul 1, 2025
Differential sense of embedded contact sensor (ECS) and near-field temperature sensor (NTS) utilizing chopping amplifier
WESTERN DIGITAL TECH INC0 citations62
US12183372B2Dec 31, 2024
System controlled RF signal source architecture with transducer near pole-tip for microwave assisted magnetic recording
WESTERN DIGITAL TECH INC0 citations62
US12142896B2Nov 12, 2024
Preheating laser diodes with reverse bias for HAMR disk drives
WESTERN DIGITAL TECH INC0 citations62
US12140485B2Nov 12, 2024
Alternating-bias signal resistance detection for resistive temperature detectors in disk drives
WESTERN DIGITAL TECH INC0 citations62
US11990161B2May 21, 2024
Data storage device pre-biasing write current for energy assisted magnetic recording
WESTERN DIGITAL TECH INC1 citations62
US11874182B1Jan 16, 2024
Alternating-bias signal resistance detection for resistive temperature detectors in disk drives
WESTERN DIGITAL TECH INC1 citations62
US11361786B1Jun 14, 2022
Data storage device employing amplifier feedback for impedance matching
WESTERN DIGITAL TECH INC0 citations62
US11295764B1Apr 5, 2022
Data storage device transmitting configuration data to a preamp circuit over a read line
WESTERN DIGITAL TECH INC1 citations62
US10566014B2Feb 18, 2020
Data storage device detecting resistance delta of a spin torque oscillator
WESTERN DIGITAL TECH INC1 citations62
US12394435B1Aug 19, 2025
Interleaved servo patterns in a data storage device
WESTERN DIGITAL TECH INC0 citations61
US12347453B1Jul 1, 2025
Wedge repeatable runout correction for interleaved servo patterns in a data storage device
WESTERN DIGITAL TECH INC0 citations61
US12125509B1Oct 22, 2024
Dark laser heating by positive pulse biasing in heat assisted magnetic recording
WESTERN DIGITAL TECH INC0 citations61
US11482247B2Oct 25, 2022
Data storage device with history dependent write boost
WESTERN DIGITAL TECH INC0 citations61
US12347472B1Jul 1, 2025
Positive laser bias electrical control architecture for dark laser heating in heat assisted magnetic recording
WESTERN DIGITAL TECH INC0 citations52
US11961542B2Apr 16, 2024
Continuous dual path resistance detection for resistive temperature detectors in disk drives
WESTERN DIGITAL TECH INC0 citations52
US10825474B2Nov 3, 2020
Data storage device reverse biasing head element to counter electro-migration
WESTERN DIGITAL TECH INC0 citations52
US10459479B2Oct 29, 2019
Data storage device calibrating preamp clock using system clock
WESTERN DIGITAL TECH INC0 citations52
US12361968B1Jul 15, 2025
Servo interface circuitry for parallel self-servo write
WESTERN DIGITAL TECH INC0 citations50
US12361965B1Jul 15, 2025
Preamplifier circuit for parallel self-servo write
WESTERN DIGITAL TECH INC0 citations50
US12361970B1Jul 15, 2025
Parallel self-servo write circuitry in a data storage device
WESTERN DIGITAL TECH INC0 citations50
US12354632B1Jul 8, 2025
Parallel self-servo write in a data storage device
WESTERN DIGITAL TECH INC0 citations50
US10566018B2Feb 18, 2020
Data storage device reverse biasing head element to counter electro-migration
WESTERN DIGITAL TECH INC0 citations50
HITACHI GLOBAL STORAGE TECH
5 patentsUS7123429B2Oct 17, 2006
Method and apparatus for providing write pre-compensation using a read timing path
HITACHI GLOBAL STORAGE TECH34 citations90
US7123430B2Oct 17, 2006
Method and apparatus for providing write pre-compensation using a read timing path
HITACHI GLOBAL STORAGE TECH6 citations71
US7027245B2Apr 11, 2006
Apparatus for providing head amplitude characterization using gain loops
HITACHI GLOBAL STORAGE TECH9 citations70
US7027243B2Apr 11, 2006
Apparatus for providing head amplitude characterization
HITACHI GLOBAL STORAGE TECH5 citations59
US7002764B2Feb 21, 2006
Method and apparatus for providing generalized write pre-compensation
HITACHI GLOBAL STORAGE TECH5 citations55