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Minoru Kosuge
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Odawara, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Computer system and data sharing method between computers
Patent number
7,117,249
Issue date
Oct 3, 2006
Hitachi, Ltd.
Manabu Kitamura
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method of data backup in a computer system and a storage system the...
Patent number
6,981,115
Issue date
Dec 27, 2005
Hitachi, Ltd.
Kenji Yamagami
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method of data backup in a computer system and a storage system the...
Patent number
6,836,830
Issue date
Dec 28, 2004
Hitachi, Ltd.
Kenji Yamagami
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Digital phase-locked loop circuit
Patent number
5,841,303
Issue date
Nov 24, 1998
Hitachi, Ltd.
Terumi Takashi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Digital phase-looked loop circuit
Patent number
5,572,157
Issue date
Nov 5, 1996
Hitachi, Ltd.
Terumi Takashi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Magnetic tape drive with displaceable head capable of a re-try oper...
Patent number
5,521,769
Issue date
May 28, 1996
Hitachi, Ltd.
Atsuo Suga
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic tape library system wherein write request to a storage uni...
Patent number
5,522,090
Issue date
May 28, 1996
Hitachi, Ltd.
Kazuaki Tanaka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Data recording and reproducing apparatus
Patent number
5,500,775
Issue date
Mar 19, 1996
Hitachi, Ltd.
Kouji Fujita
G11 - INFORMATION STORAGE
Information
Patent Grant
AGC circuit and recording and reproducing apparatus using AGC circuit
Patent number
5,448,424
Issue date
Sep 5, 1995
Hitachi, Ltd.
Akihiko Hirano
G11 - INFORMATION STORAGE
Information
Patent Grant
Adaptive equalization circuit for magnetic recording apparatus havi...
Patent number
5,414,571
Issue date
May 9, 1995
Hitachi, Ltd.
Hiromi Matsushige
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic tape data management method and apparatus
Patent number
5,388,016
Issue date
Feb 7, 1995
Hitachi, Ltd.
Sadasaburoh Kanai
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method of reproducing magnetic recording data and a magnetic storag...
Patent number
5,353,176
Issue date
Oct 4, 1994
Hitachi, Ltd.
Minoru Kosuge
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and system for storing and managing a plurality of informati...
Patent number
5,353,422
Issue date
Oct 4, 1994
Hitachi, Ltd.
Takashi Kobayashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Automatic storage system and method for information recording media
Patent number
5,060,090
Issue date
Oct 22, 1991
Hitachi, Ltd.
Takashi Kobayashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Circuit for detecting variation of resistance of a variable-resista...
Patent number
4,716,306
Issue date
Dec 29, 1987
Hitachi, Ltd.
Naoki Sato
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
Method of data backup in a computer system and a storage system the...
Publication number
20040260901
Publication date
Dec 23, 2004
Hitachi, Ltd.
Kenji Yamagami
G06 - COMPUTING CALCULATING COUNTING