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Hiraku Sugiki
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Urawa, JP
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last 30 patents
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Patent Grant
Apparatus for reproducing a digital signal
Patent number
4,885,647
Issue date
Dec 5, 1989
Sony Corporation
Hiraku Sugiki
G11 - INFORMATION STORAGE
Information
Patent Grant
Tracking control apparatus using pilot signals and position detecti...
Patent number
4,755,893
Issue date
Jul 5, 1988
Sony Corporation
Makoto Yamada
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Information
Patent Grant
Method and apparatus for recording and reproducing a digital signal...
Patent number
4,739,420
Issue date
Apr 19, 1988
Sony Corporation
Kentaro Odaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus with improved tracking control for recording a...
Patent number
4,656,539
Issue date
Apr 7, 1987
Sony Corporation
Hiraku Sugiki
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for recording a digital information signal
Patent number
4,651,239
Issue date
Mar 17, 1987
Sony Corporation
Takashi Omori
G11 - INFORMATION STORAGE