Inventor
OKADA TOMOHIRO
JP61 patents
⚠️ This page may combine multiple inventors who share the name “OKADA TOMOHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
14 patentsUS6710973B2Mar 23, 2004
Single pole type recording head including tapered edges
HITACHI LTD113 citations98
US6891697B2May 10, 2005
Magnetic heads for perpendicular recording and magnetic recording disk apparatus using the same
HITACHI LTD41 citations96
US6813116B2Nov 2, 2004
Magnetic heads for perpendicular recording and magnetic recording disk apparatus using the same
HITACHI LTD56 citations96
US6034847AMar 7, 2000
Apparatus and thin film magnetic head with magnetic membrane layers of different resistivity
HITACHI LTD64 citations96
US7006326B2Feb 28, 2006
Single pole type recording head with tapered edges
HITACHI LTD54 citations95
US6809908B1Oct 26, 2004
Light induction type thin film magnetic head
HITACHI LTD21 citations93
US6741421B2May 25, 2004
Magnetic head for perpendicular recording and magnetic disk storage apparatus mounting the head
HITACHI LTD18 citations93
US6995949B2Feb 7, 2006
Magnetic heads for perpendicular recording and magnetic recording disk apparatus using the same
HITACHI LTD32 citations92
US6785097B2Aug 31, 2004
Thin film magnetic recording head, method of fabricating the thin film magnetic recording head and magnetic disk drive
HITACHI LTD25 citations92
US6530141B2Mar 11, 2003
Method of forming thin film magnetic recording head with narrow track width performing high density recording at high driving frequency
HITACHI LTD24 citations92
US6483663B2Nov 19, 2002
Thin film magnetic head and magnetic disk apparatus including the same
HITACHI LTD14 citations92
US6091582AJul 18, 2000
Thin film magnetic recording head with very narrow track width performing high density recording at high driving frequency
HITACHI LTD31 citations92
US5777702AJul 7, 1998
Liquid crystal display device and method of fabricating the same by patterning semiconductor, insulator, and gatelines with single mask
HITACHI LTD32 citations92
US6491832B2Dec 10, 2002
Method for processing specimens
HITACHI LTD12 citations71
OMRON TATEISI ELECTRONICS CO
13 patentsUSD894983SSep 1, 2020
Transportation robot
OMRON TATEISI ELECTRONICS CO26 citations94
USD895709SSep 8, 2020
Transportation robot
OMRON TATEISI ELECTRONICS CO15 citations85
USD895707SSep 8, 2020
Transportation robot
OMRON TATEISI ELECTRONICS CO4 citations73
USD894986SSep 1, 2020
Transportation robot
OMRON TATEISI ELECTRONICS CO4 citations73
USD1035599SJul 16, 2024
Gripper for wafer cassette
OMRON TATEISI ELECTRONICS CO0 citations63
USD1023984SApr 23, 2024
Gripper for wafer cassette
OMRON TATEISI ELECTRONICS CO0 citations63
USD908757SJan 26, 2021
Holder for a transportation robot
OMRON TATEISI ELECTRONICS CO1 citations62
USD895708SSep 8, 2020
Transportation robot
OMRON TATEISI ELECTRONICS CO1 citations62
USD894985SSep 1, 2020
Transportation robot
OMRON TATEISI ELECTRONICS CO1 citations62
USD894984SSep 1, 2020
Transportation robot
OMRON TATEISI ELECTRONICS CO1 citations62
USD1046798SOct 15, 2024
Gripper for semiconductor wafer housing cassette
OMRON TATEISI ELECTRONICS CO0 citations56
US12296472B2May 13, 2025
Mobile manipulator
OMRON TATEISI ELECTRONICS CO0 citations53
USD1036399SJul 23, 2024
Gripper for wafer cassette
OMRON TATEISI ELECTRONICS CO0 citations53
HITACHI GLOBAL STORAGE TECH
8 patentsUS7133252B2Nov 7, 2006
Single pole type recording head with trailing side tapered edges
HITACHI GLOBAL STORAGE TECH51 citations95
US7715152B2May 11, 2010
Magnetic recording head for perpendicular recording, fabrication process, and magnetic disk storage apparatus mounting the magnetic head
HITACHI GLOBAL STORAGE TECH44 citations92
US7475470B2Jan 13, 2009
Method for manufacturing a magnetic head for perpendicular recording
HITACHI GLOBAL STORAGE TECH9 citations84
US7656611B2Feb 2, 2010
Laminated high moment magnetic films antiferromagnetic coupling as write pole of perpendicular magnetic recording head
HITACHI GLOBAL STORAGE TECH11 citations83
US7382576B2Jun 3, 2008
Thin film magnetic head and magnetic disk apparatus including the same
HITACHI GLOBAL STORAGE TECH5 citations73
US6877212B2Apr 12, 2005
Manufacturing method of a thin film magnetic head
HITACHI GLOBAL STORAGE TECH6 citations73
US7755864B2Jul 13, 2010
Magnetic recording head for perpendicular recording, fabrication process, and magnetic disk storage apparatus mounting the magnetic recording head
HITACHI GLOBAL STORAGE TECH5 citations62
US7068467B2Jun 27, 2006
Thin film magnetic head and magnetic disk apparatus including the same
HITACHI GLOBAL STORAGE TECH3 citations62
HGST Netherlands BV
3 patentsUS9390733B2Jul 12, 2016
Microwave-assisted magnetic recording (MAMR) head with an inclined and recessed main pole structure
HGST Netherlands BV19 citations84
US8351162B2Jan 8, 2013
Magnetic head with electro lapping guide
HGST Netherlands BV18 citations84
US8842387B1Sep 23, 2014
Microwave-assisted magnetic recording (MAMR) head with highly resistive magnetic material
HGST Netherlands BV14 citations80
OKADA TOMOHIRO
3 patentsUS8270111B2Sep 18, 2012
Perpendicular magnetic recording head
OKADA TOMOHIRO2 citations61
US8137571B2Mar 20, 2012
Method for manufacturing perpendicular magnetic recording head
OKADA TOMOHIRO2 citations60
US8270260B2Sep 18, 2012
Optically assisted magnetic recording head having a waveguide core with a plate-shaped portion protruding from an air bearing surface side of the core
OKADA TOMOHIRO4 citations59
MITSUBISHI MOTORS CORP
2 patentsLINE CORP
2 patentsHITACHI GLOBAL STORAGE TECH NL
2 patentsUS7895732B2Mar 1, 2011
Method for manufacturing a perpendicular magnetic recording head
HITACHI GLOBAL STORAGE TECH NL2 citations63
US8351154B2Jan 8, 2013
Perpendicular recording magnetic head with a varying interval between the main pole and the shield, and methods of manufacturing thereof
HITACHI GLOBAL STORAGE TECH NL1 citations52
SHIROISHI YOSHIHIRO
1 patentKOSE CORP
1 patentETOH KIMITOSHI
1 patentShowing the top 50 of 61 patents by PatentIndex Score.