Hidetoshi Tanaka

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical pickup and disc drive apparatus
- Patent number 7,245,563
- Issue date Jul 17, 2007
- Sony Corporation
- Hidetoshi Tanaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pick-up apparatus
- Patent number 6,519,100
- Issue date Feb 11, 2003
- Sony Corporation
- Hidetoshi Tanaka
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Optical pickup and disc drive
- Publication number 20050041540
- Publication date Feb 24, 2005
- Hidetoshi Tanaka
- G11 - INFORMATION STORAGE