Jiro Hashizume

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Hitachinaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical head and optical disk device
- Patent number 8,023,390
- Issue date Sep 20, 2011
- Hitachi, Ltd.
- Takeshi Shimano
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL HEAD AND OPTICAL DISK DEVICE
- Publication number 20080205246
- Publication date Aug 28, 2008
- Takeshi Shimano
- G11 - INFORMATION STORAGE