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Kenichiro Kumamoto
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Tokyo, JP
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last 30 patents
Information
Patent Grant
Security monitor system
Patent number
4,777,526
Issue date
Oct 11, 1988
Sony Corporation
Mitsumasa Saitoh
G08 - SIGNALLING
Information
Patent Grant
Voltage controllable oscillator
Patent number
4,731,592
Issue date
Mar 15, 1988
Sony Corporation
Akiro Sato
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Tuner for television receiver
Patent number
4,691,378
Issue date
Sep 1, 1987
Sony Corporation
Kenichiro Kumamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Impedance adjusting element for a microstrip circuit
Patent number
4,618,838
Issue date
Oct 21, 1986
Sony Corporation
Tadashi Kajiwara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Super high frequency receiver
Patent number
4,592,093
Issue date
May 27, 1986
Sony Corporation
Koji Ouchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE