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Shunichiro Sakamoto
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Kawagoe, JP
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Patents Grants
last 30 patents
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Patent Grant
PCM signal reproducing/recording apparatus
Patent number
5,182,678
Issue date
Jan 26, 1993
Hitachi Ltd.
Yuuji Hatanaka
G11 - INFORMATION STORAGE
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Patent Grant
PCM signal reproducing/recording apparatus
Patent number
5,084,788
Issue date
Jan 28, 1992
Hitachi, Ltd.
Yuuji Hatanaka
G11 - INFORMATION STORAGE
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Patent Grant
PCM signal reproducing device
Patent number
4,943,964
Issue date
Jul 24, 1990
Hitachi, Ltd.
Yuji Hatanaka
G11 - INFORMATION STORAGE