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Shinichi Yamamura
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Tokyo, JP
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last 30 patents
Information
Patent Grant
Recording medium having track formed of land portion and groove por...
Patent number
6,055,218
Issue date
Apr 25, 2000
Sony Corporation
Toru Takeda
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for error correction
Patent number
4,881,232
Issue date
Nov 14, 1989
Sony Corporation
Yoichiro Sako
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Apparatus for recording and/or reproducing optical cards
Patent number
4,852,101
Issue date
Jul 25, 1989
Shoei Kobayashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical disc recording method and apparatus for digital data having...
Patent number
4,829,497
Issue date
May 9, 1989
Sony Corporation
Yoichiro Sako
G11 - INFORMATION STORAGE
Information
Patent Grant
Data transmission method suitable for a disc
Patent number
4,819,236
Issue date
Apr 4, 1989
Sony Corporation
Yoichiro Sako
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Apparatus for recording and reproducing data
Patent number
4,788,685
Issue date
Nov 29, 1988
Sony Corporation
Yoichiro Sako
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Generator for an error correcting code, a decoder therefore, and a...
Patent number
4,785,451
Issue date
Nov 15, 1988
Sony Corporation
Yoichiro Sako
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Error correction method
Patent number
4,750,178
Issue date
Jun 7, 1988
Sony Corporation
Yoichiro Sako
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Circuit for detecting existence of an information signal
Patent number
4,572,965
Issue date
Feb 25, 1986
Sony Corporation
Shinichi Yamamura
G11 - INFORMATION STORAGE