Yutaka Uemura

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical disk having both constant linear and constant angular veloc...
- Patent number 5,790,488
- Issue date Aug 4, 1998
- Nippon Columbia Co., Ltd.
- Yutaka Uemura
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk having both constant linear and constant angular veloc...
- Patent number 5,757,750
- Issue date May 26, 1998
- Nippon Columbia Co., Ltd.
- Yutaka Uemura
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk having both constant linear and constant angular veloc...
- Patent number 5,687,148
- Issue date Nov 11, 1997
- Nippon Columbia Co., Ltd.
- Yutaka Uemura
- G11 - INFORMATION STORAGE