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Yasuhiro MATSUDA
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Ishioka, JP
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Patents Grants
last 30 patents
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Patent Grant
Position determining system with arm center line crossing expanding...
Patent number
8,493,692
Issue date
Jul 23, 2013
Hitachi High-Technologies Corporation
Shigeo Nakamura
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head-positioning servo system, magnetic head test system a...
Patent number
8,154,821
Issue date
Apr 10, 2012
Hitachi High-Technologies Corporation
Shigeo Nakamura
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic disk drive with unique cable wiring scheme and electronic...
Patent number
6,501,645
Issue date
Dec 31, 2002
Hitachi, Ltd.
Shigeyuki Hanazawa
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
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Patent Application
HEAD POSITION CONTROL DEVICE, MAGNETIC RECORDING EVALUATION APPARAT...
Publication number
20110090590
Publication date
Apr 21, 2011
Hitachi High-Technologies Corporation
Yukio YAMAMOTO
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC HEAD-POSITIONING SYSTEM, MAGNETIC HEAD TEST SYSTEM AND MAG...
Publication number
20100246044
Publication date
Sep 30, 2010
Hitachi High-Technologies Corporation
Shigeo NAKAMURA
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC HEAD-POSITIONING SERVO SYSTEM, MAGNETIC HEAD TEST SYSTEM A...
Publication number
20100079900
Publication date
Apr 1, 2010
Hitachi High-Technologies Corporation
Shigeo NAKAMURA
G11 - INFORMATION STORAGE