Syunitirou Wakamiya

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
UV image forming optical system
- Patent number 6,115,175
- Issue date Sep 5, 2000
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Koichi Maruyama
- G02 - OPTICS
Information Patent Grant
Optical medium recording apparatus with a rotatable optical beam de...
- Patent number 5,471,456
- Issue date Nov 28, 1995
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Haruki Tokumaru
- G11 - INFORMATION STORAGE