Tatuo Sugimura

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Kyoto, JP

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Patents Grantslast 30 patents

Information Patent Grant
Information recording/reproducing apparatus with means for substitu...
- Patent number 4,841,498
- Issue date Jun 20, 1989
- Matsushita Electric Industrial Co., Ltd.
- Tatuo Sugimura
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk exclusively used for reproduction wherein guide groove...
- Patent number 4,789,979
- Issue date Dec 6, 1988
- Matsushita Electric Industrial Co., Ltd.
- Shigehiko Hiraoka
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for determining defective or non-used sectors of an optic...
- Patent number 4,768,181
- Issue date Aug 30, 1988
- Matsushita Electric Industrial Co., Ltd.
- Makoto Ichinose
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording and reproducing apparatus having defe...
- Patent number 4,742,507
- Issue date May 3, 1988
- Matsushita Electric Industrial Co., Ltd.
- Yuzuru Kuroki
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for detecting and correcting errors on product codes
- Patent number 4,653,051
- Issue date Mar 24, 1987
- Matsushita Electric Industrial Co., Ltd.
- Tatuo Sugimura
- G11 - INFORMATION STORAGE
Information Patent Grant
Data recording/reproducing apparatus
- Patent number 4,630,140
- Issue date Dec 16, 1986
- Matsushita Electric Industrial Co., Ltd.
- Tatuo Sugimura
- G11 - INFORMATION STORAGE