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Kenichi Takeuchi
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Tokyo, JP
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last 30 patents
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Patent Grant
Mis-detection of a video switchover key signal
Patent number
4,881,253
Issue date
Nov 14, 1989
Nippon Telegraph & Telephone Corporation
Kenichi Takeuchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Luminescence detecting devices
Patent number
4,804,845
Issue date
Feb 14, 1989
Sony Corporation
Kenichi Takeuchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Beam-index type color cathode ray tube devices
Patent number
4,752,716
Issue date
Jun 21, 1988
Sony Corporation
Kenichi Takeuchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE