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Yoshitomo Kuwamoto
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Katsuta, JP
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last 30 patents
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Patent Grant
Radio communication apparatus free from interference between local...
Patent number
4,864,634
Issue date
Sep 5, 1989
Hitachi, Ltd.
Junichi Nakagawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Control signal receiving system
Patent number
4,777,655
Issue date
Oct 11, 1988
Hitachi, Ltd.
Osamu Numata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Phase coincidence detector
Patent number
4,751,469
Issue date
Jun 14, 1988
Hitachi Ltd.
Junichi Nakagawa
G01 - MEASURING TESTING
Information
Patent Grant
Power saving intermittently operated phase locked loop
Patent number
4,743,864
Issue date
May 10, 1988
Hitachi, Ltd.
Jun'ichi Nakagawa
H03 - BASIC ELECTRONIC CIRCUITRY