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Tomohiro Okada
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Kanagawa-ken, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Gear system for electric vehicle
Patent number
11,031,851
Issue date
Jun 8, 2021
Nissan Motor Co., Ltd.
Tomohiro Okada
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Microwave-assisted magnetic recording (MAMR) head with an inclined...
Patent number
9,390,733
Issue date
Jul 12, 2016
HGST Netherlans B.V.
Kimitoshi Etoh
G11 - INFORMATION STORAGE
Information
Patent Grant
Microwave-assisted magnetic recording (MAMR) head with highly resis...
Patent number
8,842,387
Issue date
Sep 23, 2014
HGST Netherlands B.V.
Tomoya Horide
G11 - INFORMATION STORAGE
Information
Patent Grant
Head-slider including thin-film magnetic-recording head having redu...
Patent number
8,786,986
Issue date
Jul 22, 2014
HGST Netherlands B.V.
Shigeo Fujita
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic storage apparatus, head drive controller, and head drive c...
Patent number
8,643,972
Issue date
Feb 4, 2014
Hitachi, Ltd.
Yoshihiro Shiroishi
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head with electro lapping guide
Patent number
8,351,162
Issue date
Jan 8, 2013
HGST Netherlands B.V.
Kimitoshi Etoh
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular recording magnetic head with a varying interval betwe...
Patent number
8,351,154
Issue date
Jan 8, 2013
Hitachi Global Storage Technologies Netherlands B.V.
Kimitoshi Etoh
G11 - INFORMATION STORAGE
Information
Patent Grant
Optically assisted magnetic recording head having a waveguide core...
Patent number
8,270,260
Issue date
Sep 18, 2012
Hitachi Global Storage Technologies Netherlands B.V.
Tomohiro Okada
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic recording head
Patent number
8,270,111
Issue date
Sep 18, 2012
Hitachi Global Storage Technologies Netherlands B.V.
Tomohiro Okada
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording head for perpendicular recording with wrap aroun...
Patent number
8,203,803
Issue date
Jun 19, 2012
HGST Netherlands B.V.
Kimitoshi Etoh
G11 - INFORMATION STORAGE
Information
Patent Grant
Method for manufacturing perpendicular magnetic recording head
Patent number
8,137,571
Issue date
Mar 20, 2012
Hitachi Global Storage Technologies Netherlands B.V.
Tomohiro Okada
G11 - INFORMATION STORAGE
Information
Patent Grant
Method for manufacturing a perpendicular magnetic recording head
Patent number
7,895,732
Issue date
Mar 1, 2011
Hitachi Global Storage Technologies Netherlands B.V.
Tomohiro Okada
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of fabricating a magnetic recording head for perpendicular r...
Patent number
7,882,617
Issue date
Feb 8, 2011
Atsushi Kato
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording head for perpendicular recording, fabrication pr...
Patent number
7,755,864
Issue date
Jul 13, 2010
Hitachi Global Storage Technologies Netherlands B.V.
Atsushi Kato
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording head for perpendicular recording, fabrication pr...
Patent number
7,715,152
Issue date
May 11, 2010
Hitachi Global Storage Technologies Netherlands B.V.
Tomohiro Okada
G11 - INFORMATION STORAGE
Information
Patent Grant
Laminated high moment magnetic films antiferromagnetic coupling as...
Patent number
7,656,611
Issue date
Feb 2, 2010
Hitachi Global Storage Technologies Netherlands B.V,
Yinshi Liu
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head to prevent undesired data erasure and magnetic disk s...
Patent number
7,542,244
Issue date
Jun 2, 2009
Hitachi Global Storage Technologies Netherlands B.V.
Hiroshi Fukui
G11 - INFORMATION STORAGE
Information
Patent Grant
Manufacturing method of a perpendicular recording magnetic head
Patent number
7,389,578
Issue date
Jun 24, 2008
Hitachi Global Storage Technologies Netherlands B.V.
Kimitoshi Etoh
G11 - INFORMATION STORAGE
Information
Patent Grant
Thin film magnetic head and magnetic disk apparatus including the same
Patent number
7,382,576
Issue date
Jun 3, 2008
Hitachi Global Storage Technologies Japan, Ltd.
Tomohiro Okada
G11 - INFORMATION STORAGE
Information
Patent Grant
Single pole type recording head with trailing side tapered edges
Patent number
7,133,252
Issue date
Nov 7, 2006
Hitachi Global Storage Technologies Japan, Ltd.
Hisashi Takano
G11 - INFORMATION STORAGE
Information
Patent Grant
Thin film magnetic head and magnetic disk apparatus including the same
Patent number
7,068,467
Issue date
Jun 27, 2006
Hitachi Global Storage Technologies Japan, Ltd.
Tomohiro Okada
G11 - INFORMATION STORAGE
Information
Patent Grant
Single pole type recording head with tapered edges
Patent number
7,006,326
Issue date
Feb 28, 2006
Hitachi, Ltd.
Tomohiro Okada
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic heads for perpendicular recording and magnetic recording d...
Patent number
6,995,949
Issue date
Feb 7, 2006
Hitachi, Ltd.
Atsushi Nakamura
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic heads for perpendicular recording and magnetic recording d...
Patent number
6,891,697
Issue date
May 10, 2005
Hitachi, Ltd.
Atsushi Nakamura
G11 - INFORMATION STORAGE
Information
Patent Grant
Manufacturing method of a thin film magnetic head
Patent number
6,877,212
Issue date
Apr 12, 2005
Hitachi Global Storage Technologies Japan, Ltd.
Tomohiro Okada
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic heads for perpendicular recording and magnetic recording d...
Patent number
6,813,116
Issue date
Nov 2, 2004
Hitachi, Ltd.
Atsushi Nakamura
G11 - INFORMATION STORAGE
Information
Patent Grant
Single pole type recording head including tapered edges
Patent number
6,710,973
Issue date
Mar 23, 2004
Hitachi, Ltd.
Tomohiro Okada
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of forming thin film magnetic recording head with narrow tra...
Patent number
6,530,141
Issue date
Mar 11, 2003
Hitachi, Ltd.
Matahiro Komuro
G11 - INFORMATION STORAGE
Information
Patent Grant
Method for processing specimens
Patent number
6,491,832
Issue date
Dec 10, 2002
Hitachi, Ltd.
Ken Yoshioka
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Thin film magnetic head and magnetic disk apparatus including the same
Patent number
6,483,663
Issue date
Nov 19, 2002
Hitachi, Ltd.
Tomohiro Okada
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
NONAQUEOUS SUSPENSION EXHIBITING ELECTRORHEOLOGICAL EFFECT, AND DAM...
Publication number
20200216634
Publication date
Jul 9, 2020
Hitachi Automotive Systems, Ltd.
Tomohiro OKADA
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
GEAR SYSTEM FOR ELECTRIC VEHICLE
Publication number
20170126105
Publication date
May 4, 2017
Nissan Motor Co., Ltd.
Tomohiro OKADA
B60 - VEHICLES IN GENERAL
Information
Patent Application
MICROWAVE-ASSISTED MAGNETIC RECORDING (MAMR) HEAD WITH AN INCLINED...
Publication number
20150103434
Publication date
Apr 16, 2015
HGST NETHERLANDS B.V.
Kimitoshi Etoh
G11 - INFORMATION STORAGE
Information
Patent Application
MICROWAVE-ASSISTED MAGNETIC RECORDING (MAMR) HEAD WITH HIGHLY RESIS...
Publication number
20140268404
Publication date
Sep 18, 2014
HGST NETHERLANDS B.V.
Tomoya Horide
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC STORAGE APPARATUS, HEAD DRIVE CONTROLLER, AND HEAD DRIVE C...
Publication number
20130083423
Publication date
Apr 4, 2013
Hitachi, Ltd.
Yoshihiro Shiroishi
G11 - INFORMATION STORAGE
Information
Patent Application
POWER TRANSMISSION DEVICE FOR ELECTRIC VEHICLE
Publication number
20130057096
Publication date
Mar 7, 2013
Nissan Motor Co. Ltd.
Tomohiro Okada
B60 - VEHICLES IN GENERAL
Information
Patent Application
HEAD-SLIDER INCLUDING THIN-FILM MAGNETIC-RECORDING HEAD HAVING REDU...
Publication number
20110116192
Publication date
May 19, 2011
Shigeo FUJITA
G11 - INFORMATION STORAGE
Information
Patent Application
OPTICALLY ASSISTED MAGNETIC RECORDING HEAD HAVING A WAVEGUIDE CORE...
Publication number
20100157745
Publication date
Jun 24, 2010
Tomohiro Okada
G11 - INFORMATION STORAGE
Information
Patent Application
PERPENDICULAR RECORDING MAGNETIC HEAD WITH A VARYING INTERVAL BETWE...
Publication number
20100157484
Publication date
Jun 24, 2010
Kimitoshi Etoh
G11 - INFORMATION STORAGE
Information
Patent Application
Method for manufacturing perpendicular magnetic recording head
Publication number
20090236307
Publication date
Sep 24, 2009
Tomohiro Okada
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular magnetic recording head
Publication number
20090073608
Publication date
Mar 19, 2009
Norihiro Ookawa
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular magnetic recording head and method of manufacturing t...
Publication number
20070217069
Publication date
Sep 20, 2007
Hitachi Global Storage Technologies Netherlands B.V.
Tomohiro Okada
G11 - INFORMATION STORAGE
Information
Patent Application
Manufacturing method of a perpendicular recording magnetic head
Publication number
20070186409
Publication date
Aug 16, 2007
Hitachi Global Storage Technologies Netherlands B.V.
Kimitoshi Etoh
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular magnetic recording head and method for production the...
Publication number
20060221497
Publication date
Oct 5, 2006
Hitachi Global Storage Technologies
Tomohiro Okada
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording head for perpendicular recording, fabrication pr...
Publication number
20060203381
Publication date
Sep 14, 2006
Hitachi Global Storage Technologies Netherlands B.V.
Tomohiro Okada
G11 - INFORMATION STORAGE
Information
Patent Application
Thin film magnetic head and magnetic disk apparatus including the same
Publication number
20060198051
Publication date
Sep 7, 2006
Tomohiro Okada
G11 - INFORMATION STORAGE
Information
Patent Application
Single pole type recording head with tapered edges
Publication number
20060103978
Publication date
May 18, 2006
Hitachi, Ltd.
Hisashi Takano
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording head for perpendicular recording with enhanced c...
Publication number
20060090329
Publication date
May 4, 2006
Hitachi Global Storage Technologies Netherlands B.V.
Atsushi Kato
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording head for perpendicular recording, fabrication pr...
Publication number
20060087770
Publication date
Apr 27, 2006
Hitachi Global Storage Technologies Netherlands B.V.
Atsushi Kato
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording head for perpendicular recording with wrap aroun...
Publication number
20060082924
Publication date
Apr 20, 2006
Hitachi Global Storage Technologies Netherlands B.V.
Kimitoshi Etoh
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic head to prevent undesired data erasure and magnetic disk s...
Publication number
20060082930
Publication date
Apr 20, 2006
Hitachi Global Storage Technologies Netherlands B.V.
Hiroshi Fukui
G11 - INFORMATION STORAGE
Information
Patent Application
Laminated high moment magnetic films with antiferromagnetic couplin...
Publication number
20060044680
Publication date
Mar 2, 2006
Yinshi Liu
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic head with electro lapping guide and manufacturing method
Publication number
20060028770
Publication date
Feb 9, 2006
Hitachi Global Storage Technologies Netherlands B.V.
Kimitoshi Etoh
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic heads for perpendicular recording and magnetic recording d...
Publication number
20050185335
Publication date
Aug 25, 2005
Atsushi Nakamura
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording head for perpendicular recording, fabrication pr...
Publication number
20050141137
Publication date
Jun 30, 2005
Hitachi Global Storage Technologies Netherlands, B.V.
Tomohiro Okada
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC HEADS FOR PERPENDICULAR RECORDING AND MAGNETIC RECORDING D...
Publication number
20050057853
Publication date
Mar 17, 2005
Atsushi Nakamura
G11 - INFORMATION STORAGE
Information
Patent Application
Thin film magnetic head and magnetic disk apparatus including the same
Publication number
20050024767
Publication date
Feb 3, 2005
Tomohiro Okada
G11 - INFORMATION STORAGE
Information
Patent Application
Single pole type recording head and magnetic storage apparatus
Publication number
20040150910
Publication date
Aug 5, 2004
Hitachi, Ltd.
Tomohiro Okada
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic heads for perpendicular recording and magnetic recording d...
Publication number
20030151850
Publication date
Aug 14, 2003
Atsushi Nakamura
G11 - INFORMATION STORAGE
Information
Patent Application
Method for processing specimens, an apparatus therefor and a method...
Publication number
20030052079
Publication date
Mar 20, 2003
Ken Yoshioka
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...