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Toshio Kawakita
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Ibaraki-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
High recording density magnetic recording medium and recording/repr...
Patent number
10,861,487
Issue date
Dec 8, 2020
MAXELL HOLDINGS, LTD.
Shinji Kawakami
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic tape head with limited ranges of tape wrap angle and dista...
Patent number
8,310,783
Issue date
Nov 13, 2012
Hitachi Maxell, Ltd.
Shinji Kawakami
G11 - INFORMATION STORAGE
Information
Patent Grant
Servo controlling method, recording/reproducing apparatus, magnetic...
Patent number
8,264,789
Issue date
Sep 11, 2012
Hitachi Maxell, Ltd.
Shinji Kawakami
G11 - INFORMATION STORAGE
Information
Patent Grant
Servo signal recording apparatus, information recording apparatus,...
Patent number
8,068,308
Issue date
Nov 29, 2011
Hitachi Maxell, Ltd.
Masao Fujita
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head assembly and magnetic tape driving apparatus
Patent number
8,035,929
Issue date
Oct 11, 2011
Hitachi Maxell, Ltd.
Toshio Kawakita
G11 - INFORMATION STORAGE
Information
Patent Grant
Servo signal recording apparatus
Patent number
7,826,165
Issue date
Nov 2, 2010
Hitachi Maxell, Ltd.
Shinji Kawakami
G11 - INFORMATION STORAGE
Information
Patent Grant
Servo controlling method, recording/reproducing apparatus, magnetic...
Patent number
7,652,841
Issue date
Jan 26, 2010
Hitachi Maxell, Ltd.
Shinji Kawakami
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
HIGH RECORDING DENSITY MAGNETIC RECORDING MEDIUM AND RECORDING/REPR...
Publication number
20180350398
Publication date
Dec 6, 2018
Maxell Holdings, Ltd.
Shinji KAWAKAMI
G11 - INFORMATION STORAGE
Information
Patent Application
SERVO CONTROLLING METHOD, RECORDING/REPRODUCING APPARATUS, MAGNETIC...
Publication number
20100002338
Publication date
Jan 7, 2010
Shinji KAWAKAMI
G11 - INFORMATION STORAGE
Information
Patent Application
SERVO SIGNAL RECORDING APPARATUS, INFORMATION RECORDING APPARATUS,...
Publication number
20090296269
Publication date
Dec 3, 2009
HITACHI MAXELL, LTD.
Masao Fujita
G11 - INFORMATION STORAGE
Information
Patent Application
SERVO SIGNAL RECORDING APPARATUS
Publication number
20090279197
Publication date
Nov 12, 2009
Hitachi Maxell, Ltd.
Shinji KAWAKAMI
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC HEAD ASSEMBLY AND MAGNETIC TAPE DRIVING APPARATUS
Publication number
20090052093
Publication date
Feb 26, 2009
Toshio Kawakita
G11 - INFORMATION STORAGE
Information
Patent Application
SERVO CONTROLLING METHOD, RECORDING/REPRODUCING APPARATUS, MAGNETIC...
Publication number
20080278844
Publication date
Nov 13, 2008
Shinji KAWAKAMI
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC HEAD
Publication number
20080170328
Publication date
Jul 17, 2008
Shinji Kawakami
G11 - INFORMATION STORAGE
Information
Patent Application
Apparatus and method for measuring spacing
Publication number
20080123102
Publication date
May 29, 2008
Hitachi Maxell, Ltd.
Masao Fujita
G01 - MEASURING TESTING