Yasuhiro Yamaguchi

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Yokosuka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical disc apparatus for installing two types of optical discs
- Patent number 6,167,003
- Issue date Dec 26, 2000
- Victor Company of Japan, Ltd.
- Yasuo Haneji
- G11 - INFORMATION STORAGE
Information Patent Grant
Floating type magnetic head assembly
- Patent number 4,998,174
- Issue date Mar 5, 1991
- Victor Company of Japan, Ltd.
- Yoshiyo Wada
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical connector
- Patent number 4,759,599
- Issue date Jul 26, 1988
- Kabushiki Kaisha Toshiba
- Yasuhiro Yamaguchi
- G02 - OPTICS