Shunji Oohara

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Higashiosaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical-disk recording and reproducing apparatus and optical disk f...
- Patent number 5,774,439
- Issue date Jun 30, 1998
- Matsushira Electric Industrial Co., Ltd.
- Kazuhiro Aoki
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical-disk recording and reproducing apparatus and method using a...
- Patent number 5,734,633
- Issue date Mar 31, 1998
- Matsushita Electric Industrial Co., Ltd.
- Kazuhiro Aoki
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical head assembly for optical information player
- Patent number 5,526,330
- Issue date Jun 11, 1996
- Matsushita Electric Industrial Co., Ltd.
- Daisuke Ogata
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk capable of recording information on both groove and la...
- Patent number 5,508,995
- Issue date Apr 16, 1996
- Matsushita Electric Industrial Co., Ltd.
- Mitsurou Moriya
- G11 - INFORMATION STORAGE