Inventor
OLSON JAMES TERRENCE
US23 patents
⚠️ This page may combine multiple inventors who share the name “OLSON JAMES TERRENCE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WESTERN DIGITAL TECH INC
13 patentsUS10366714B1Jul 30, 2019
Magnetic write head for providing spin-torque-assisted write field enhancement
WESTERN DIGITAL TECH INC95 citations98
US11900971B1Feb 13, 2024
Magnetic recording head with assisting electric current in trailing shield
WESTERN DIGITAL TECH INC10 citations86
US11881237B1Jan 23, 2024
Cross track current design for energy assisted magnetic recording
WESTERN DIGITAL TECH INC9 citations86
US11869548B1Jan 9, 2024
Magnetic recording devices having external alternating current sources
WESTERN DIGITAL TECH INC9 citations86
US11508401B1Nov 22, 2022
Magnetic recording devices having cross-track current flow to facilitate downtrack magnetic field enhancements
WESTERN DIGITAL TECH INC13 citations86
US11894026B1Feb 6, 2024
Magnetic recording head having leads over the trailing shield for assisting electric currents
WESTERN DIGITAL TECH INC6 citations75
US11011190B2May 18, 2021
Magnetic write head with write-field enhancement structure including a magnetic notch
WESTERN DIGITAL TECH INC5 citations73
US10811039B2Oct 20, 2020
Magnetic write head for providing spin-torque-assisted write field enhancement
WESTERN DIGITAL TECH INC3 citations73
US10706877B2Jul 7, 2020
Spin torque layer in side gap for improved field and cross track field gradient
WESTERN DIGITAL TECH INC4 citations73
US10546603B2Jan 28, 2020
Magnetic write head for providing spin-torque-assisted write field enhancement
WESTERN DIGITAL TECH INC4 citations73
US12315538B2May 27, 2025
Magnetic recording head with assisting electric current in trailing shield
WESTERN DIGITAL TECH INC1 citations64
US12249358B2Mar 11, 2025
Magnetic recording devices having external alternating current sources
WESTERN DIGITAL TECH INC0 citations62
US10997990B2May 4, 2021
Spin torque layer in side gap for improved field and cross track field gradient
WESTERN DIGITAL TECH INC0 citations62
HITACHI GLOBAL STORAGE TECH
7 patentsUS7791839B2Sep 7, 2010
Thermally-assisted perpendicular magnetic recording system with write pole surrounding an optical channel and having recessed pole tip
HITACHI GLOBAL STORAGE TECH71 citations98
US7652954B2Jan 26, 2010
Thermally assisted recording head with magnetic pole integrated into optical aperture for dual gradient recording
HITACHI GLOBAL STORAGE TECH19 citations92
US7768729B2Aug 3, 2010
Method, system, and computer program product for estimating adjacent track erasure risk by determining erase band width growth rates
HITACHI GLOBAL STORAGE TECH18 citations84
US7732071B2Jun 8, 2010
Perpendicular magnetic recording system with patterned medium and manufacturing process for the medium
HITACHI GLOBAL STORAGE TECH8 citations84
US7532432B2May 12, 2009
Perpendicular magnetic recording system with medium having thin soft underlayer and recording head having thick-throat trailing shield
HITACHI GLOBAL STORAGE TECH9 citations83
US7538961B2May 26, 2009
Using inductance to measure writer spacing in perpendicular magnetic recording
HITACHI GLOBAL STORAGE TECH3 citations63
US7203607B2Apr 10, 2007
System and method for determining intergranular exchange in perpendicular recording media
HITACHI GLOBAL STORAGE TECH2 citations62