Hiromitsu Imamiya

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical device, optical pickup and optical disk apparatus
- Patent number 7,400,568
- Issue date Jul 15, 2008
- Hitachi, Ltd.
- Seiichi Katou
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Optical device, optical pickup and optical disk apparatus
- Publication number 20040105378
- Publication date Jun 3, 2004
- Seiichi Katou
- G11 - INFORMATION STORAGE