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Kikuo Yamamoto
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Tokyo, JP
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last 30 patents
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Patent Grant
Tape counter for a rotary head type video signal recording and repr...
Patent number
5,138,502
Issue date
Aug 11, 1992
Sony Corporation
Tamon Ikeda
G11 - INFORMATION STORAGE
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Patent Grant
Tracking error detecting circuit
Patent number
5,083,228
Issue date
Jan 21, 1992
Sony Corporation
Kazuhiro Uchida
G11 - INFORMATION STORAGE