Takehiro HAYAMA

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Fujisawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical pickup and disc drive using optical pickup
- Patent number 8,516,511
- Issue date Aug 20, 2013
- Hitachi Media Electronics Co., Ltd.
- Manabu Ochi
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL PICKUP AND DISC DRIVE USING OPTICAL PICKUP
- Publication number 20130010582
- Publication date Jan 10, 2013
- Hitachi Media Electronics Co., Ltd.
- Manabu OCHI
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL PICKUP
- Publication number 20090268587
- Publication date Oct 29, 2009
- Hiroyuki Toyoda
- G11 - INFORMATION STORAGE