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Syoji Yamaguchi
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Hitachi, JP
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last 30 patents
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Patent Grant
Data integrity guarantee system
Patent number
5,761,405
Issue date
Jun 2, 1998
Hitachi, Ltd.
Katsumi Tadamura
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for an ISDN communication system using active...
Patent number
5,548,710
Issue date
Aug 20, 1996
Hitachi, Ltd.
Shuuji Oono
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Information communication system for point-to-point communication a...
Patent number
5,396,485
Issue date
Mar 7, 1995
Hitachi, Ltd.
Shuji Ohno
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for controlling dual bus system
Patent number
5,345,566
Issue date
Sep 6, 1994
Hitachi, Ltd.
Masayuki Tanji
G06 - COMPUTING CALCULATING COUNTING