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Kazuo Nakagoshi
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Odawara-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Disc drive having 3.5 inch form factor housing and 2.5 inch form fa...
Patent number
6,490,123
Issue date
Dec 3, 2002
Hitachi, Ltd.
Nobuyuki Okunaga
G11 - INFORMATION STORAGE
Information
Patent Grant
Large capacity magnetic disc apparatus with a particular relationsh...
Patent number
5,671,107
Issue date
Sep 23, 1997
Hitachi, Ltd.
Katsuya Mitsuoka
G11 - INFORMATION STORAGE
Information
Patent Grant
Data storing system and data transfer method
Patent number
5,606,706
Issue date
Feb 25, 1997
Hitachi, Ltd.
Ken-ichi Takamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Semiconductor disk storage
Patent number
5,606,529
Issue date
Feb 25, 1997
Hitachi, Ltd.
Hisao Honma
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System for controlling data flow between plurality of host interfac...
Patent number
5,603,062
Issue date
Feb 11, 1997
Hitachi, Ltd.
Masahiko Sato
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Semiconductor disc storage
Patent number
5,546,348
Issue date
Aug 13, 1996
Hitachi, Ltd.
Hisao Honma
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Vibration absorbing structure for a magnetic disk apparatus
Patent number
5,469,311
Issue date
Nov 21, 1995
Hitachi, Ltd.
Hiroshi Nishida
G11 - INFORMATION STORAGE
Information
Patent Grant
Data storing system and data transfer method with a plurality of di...
Patent number
5,392,445
Issue date
Feb 21, 1995
Hitachi Ltd.
Ken-ichi Takamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Magnetic information storage apparatus including magnetic head and...
Patent number
5,245,493
Issue date
Sep 14, 1993
Hitachi, Ltd.
Takashi Kawabe
G11 - INFORMATION STORAGE
Information
Patent Grant
Mounting structure for information recording and reproducing apparatus
Patent number
5,243,479
Issue date
Sep 7, 1993
Hitachi Ltd.
Kazuo Nakagoshi
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic disc storage unit for electronic computer
Patent number
D335285
Issue date
May 4, 1993
Hitachi, Ltd.
Toshiyuki Utsuki
D14 - Recording, communication, or information retrieval equipment
Information
Patent Grant
Magnetic disk apparatus having improved arrangement of head disk as...
Patent number
5,206,772
Issue date
Apr 27, 1993
Hitachi, Ltd.
Yoshiyuki Hirano
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk apparatus having an improved cooling structure
Patent number
5,173,819
Issue date
Dec 22, 1992
Hitachi, Ltd.
Tsuyoshi Takahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for detecting minute defects on magnetic disk...
Patent number
4,881,136
Issue date
Nov 14, 1989
Hitachi, Ltd.
Kazuhisa Shiraishi
G11 - INFORMATION STORAGE
Information
Patent Grant
Apparatus for and method of writing/reading data into/from a flexib...
Patent number
4,779,146
Issue date
Oct 18, 1988
Hitachi, Ltd.
Akira Chuma
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for driving a disk
Patent number
4,736,263
Issue date
Apr 5, 1988
Hitachi, Ltd.
Mikio Takahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic disc unit system
Patent number
4,727,439
Issue date
Feb 23, 1988
Hitachi, Ltd.
Toshiyuki Haruna
G11 - INFORMATION STORAGE
Information
Patent Grant
Floppy disk driver
Patent number
4,604,663
Issue date
Aug 5, 1986
Hitachi, Ltd.
Yoshihiro Moribe
G11 - INFORMATION STORAGE
Information
Patent Grant
Waveform equivalent circuit
Patent number
4,591,939
Issue date
May 27, 1986
Hitachi, Ltd.
Masashi Sakuma
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head loading apparatus
Patent number
4,241,366
Issue date
Dec 23, 1980
Hitachi, Ltd.
Hiroshi Nishida
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Magnetic disk drive and magnetic disk drive system
Publication number
20020093758
Publication date
Jul 18, 2002
Hitachi, Ltd.
Nobuyuki Okunaga
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic disk drive and magnetic disk drive system
Publication number
20020093759
Publication date
Jul 18, 2002
Hitachi, Ltd.
Nobuyuki Okunaga
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic disk drive and magnetic disk drive system
Publication number
20020093760
Publication date
Jul 18, 2002
Hitachi, Ltd.
Nobuyuki Okunaga
G11 - INFORMATION STORAGE