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Takashi Tamura
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Kokubunji, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Input output control apparatus with a plurality of ports and single...
Patent number
8,090,893
Issue date
Jan 3, 2012
Hitachi, Ltd.
Takashi Tamura
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Input output control apparatus with a plurality of ports and single...
Patent number
7,752,375
Issue date
Jul 6, 2010
Hitachi, Ltd.
Takashi Tamura
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Actuator driving apparatus and magnetic disk drive system with a sm...
Patent number
4,851,939
Issue date
Jul 25, 1989
Hitachi, Ltd.
Yosuke Seo
G11 - INFORMATION STORAGE
Information
Patent Grant
Multi slice level signal circuit
Patent number
4,823,208
Issue date
Apr 18, 1989
Hitachi, Ltd.
Yasuhide Ouchi
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head
Patent number
4,777,553
Issue date
Oct 11, 1988
Hitachi, Ltd.
Hajime Aoi
G11 - INFORMATION STORAGE
Information
Patent Grant
Read channel for magnetic recording
Patent number
4,774,601
Issue date
Sep 27, 1988
Hitachi, Ltd.
Yasuhide Ouchi
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical read-out magnetic head
Patent number
4,707,755
Issue date
Nov 17, 1987
Hitachi, Ltd.
Norio Ohta
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic disk apparatus
Patent number
4,651,242
Issue date
Mar 17, 1987
Hitachi, Ltd.
Yoshiyuki Hirano
G11 - INFORMATION STORAGE
Information
Patent Grant
Waveform equalizing circuit
Patent number
4,651,236
Issue date
Mar 17, 1987
Hitachi, Ltd.
Yasuhide Ouchi
G11 - INFORMATION STORAGE
Information
Patent Grant
Equalizer used for magnetic storage device
Patent number
4,644,424
Issue date
Feb 17, 1987
Hitachi, Ltd.
Nobumasa Nishiyama
G11 - INFORMATION STORAGE
Information
Patent Grant
Current drive circuit for an induction coil
Patent number
4,249,219
Issue date
Feb 3, 1981
Hitachi, Ltd.
Hajime Aoi
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
COMPUTER SYSTEM AND METHOD FOR SIGNAL TRANSMITTING
Publication number
20120191887
Publication date
Jul 26, 2012
Hitachi, Ltd.
TATSUYA YAMAUCHI
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
INPUT OUTPUT CONTROL APPARATUS WITH A PLURALITY OF PORTS AND SINGLE...
Publication number
20100228901
Publication date
Sep 9, 2010
Takashi Tamura
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Input output control apparatus
Publication number
20050060476
Publication date
Mar 17, 2005
Takashi Tamura
G06 - COMPUTING CALCULATING COUNTING