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Tsutomu Yamaguchi
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Yokohama, JP
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last 30 patents
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Patent Grant
Base station controller and mobile station
Patent number
6,975,604
Issue date
Dec 13, 2005
Hitachi, Ltd.
Kazuhito Ishida
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Radio communication method and radio communication system
Patent number
6,577,880
Issue date
Jun 10, 2003
Hitachi, Ltd.
Kazuhito Ishida
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Radio receiver with amplitude limiter prior to mixer and band limit...
Patent number
5,930,695
Issue date
Jul 27, 1999
Hitachi, Ltd.
Tsutomu Yamaguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE