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Kenichiro Yoshida
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Osaka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Magnetic tape on which a servo pattern is formed
Patent number
7,969,680
Issue date
Jun 28, 2011
Hitachi Maxell, Ltd.
Kenji Tanaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Information recording apparatus
Patent number
7,961,423
Issue date
Jun 14, 2011
Hitachi Maxell, Ltd.
Kenji Tanaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Servo signal recording apparatus, servo signal recording method, an...
Patent number
7,808,736
Issue date
Oct 5, 2010
Hitachi Maxell, Ltd.
Kenji Tanaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium comprising a magnetic layer having specif...
Patent number
6,936,356
Issue date
Aug 30, 2005
Hitachi Maxell, Ltd.
Masakazu Tani
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium comprising a magnetic layer having specif...
Patent number
6,926,976
Issue date
Aug 9, 2005
Hitachi Maxell, Ltd.
Masakazu Tani
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium comprising a magnetic layer having specif...
Patent number
6,921,592
Issue date
Jul 26, 2005
Hitachi Maxell, Ltd.
Masakazu Tani
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium comprising a magnetic layer having specif...
Patent number
6,780,531
Issue date
Aug 24, 2004
Hitachi Maxell, Ltd.
Masakazu Tani
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium
Patent number
6,660,364
Issue date
Dec 9, 2003
Hitachi Maxell, Ltd.
Kenichiro Yoshida
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium
Patent number
RE38048
Issue date
Mar 25, 2003
Hitachi Maxell, Ltd.
Seigi Kawarai
428 - Stock material or miscellaneous articles
Information
Patent Grant
Magnetic recording medium
Patent number
5,532,042
Issue date
Jul 2, 1996
Hitachi Maxell, Ltd.
Seigi Kawarai
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
WORKING MACHINE
Publication number
20230315140
Publication date
Oct 5, 2023
KUBOTA CORPORATION
Kenichiro YOSHIDA
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
INFORMATION RECORDING APPARATUS
Publication number
20090310251
Publication date
Dec 17, 2009
Kenji Tanaka
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC TAPE
Publication number
20090109566
Publication date
Apr 30, 2009
Kenji Tanaka
G11 - INFORMATION STORAGE
Information
Patent Application
SERVO SIGNAL RECORDING APPARATUS, SERVO SIGNAL RECORDING METHOD, AN...
Publication number
20080285171
Publication date
Nov 20, 2008
Kenji TANAKA
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording medium
Publication number
20040166374
Publication date
Aug 26, 2004
Hitachi Maxell Ltd.
Masakazu Tani
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording medium
Publication number
20040166373
Publication date
Aug 26, 2004
Hitachi Maxell Ltd.
Masakazu Tani
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording medium
Publication number
20040110036
Publication date
Jun 10, 2004
Hitachi Maxell Ltd.
Masakazu Tani
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording medium
Publication number
20030113584
Publication date
Jun 19, 2003
Kenichiro Yoshida
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording medium
Publication number
20020164503
Publication date
Nov 7, 2002
Masakazu Tani
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording medium
Publication number
20010031381
Publication date
Oct 18, 2001
Kenichiro Yoshida
G11 - INFORMATION STORAGE