Yoshimoto Yamaguchi

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Gifu, JP

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Patents Grantslast 30 patents

Information Patent Grant
High density optical disc player
- Patent number 6,009,072
- Issue date Dec 28, 1999
- Sanyo Electric Co., Ltd.
- Yoichi Tsuchiya
- G11 - INFORMATION STORAGE
Information Patent Grant
High density optical disc and optical disc player
- Patent number 5,896,367
- Issue date Apr 20, 1999
- Sanyo Electric Co., Ltd.
- Yoichi Tsuchiya
- G11 - INFORMATION STORAGE
Information Patent Grant
High density optical disc and optical disc player
- Patent number 5,838,657
- Issue date Nov 17, 1998
- Sanyo Electric Co., Ltd.
- Yoichi Tsuchiya
- G11 - INFORMATION STORAGE
Information Patent Grant
High density optical disc and optical disc player
- Patent number 5,689,495
- Issue date Nov 18, 1997
- Sanyo Electric Co., Ltd.
- Yoichi Tsuchiya
- G11 - INFORMATION STORAGE
Information Patent Grant
High density optical disc and optical disc player
- Patent number 5,477,527
- Issue date Dec 19, 1995
- Sanyo Electric Co., Ltd.
- Yoichi Tsuchiya
- G11 - INFORMATION STORAGE