Noriyuki Hiramatsu

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical pickup apparatus
- Patent number 8,395,983
- Issue date Mar 12, 2013
- Sanyo Electric Co., LTD
- Keita Takanashi
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Optical Pickup Apparatus
- Publication number 20130021893
- Publication date Jan 24, 2013
- Sanyo Optec Design Co., Ltd.
- Keita Takanashi
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL PICKUP DEVICE, OPTICAL DISK DEVICE, AND MANUFACTURING METHO...
- Publication number 20120199761
- Publication date Aug 9, 2012
- Keita Takanashi
- G11 - INFORMATION STORAGE
Information Patent Application
Optical Pickup Apparatus
- Publication number 20110199886
- Publication date Aug 18, 2011
- Sanyo Electric Co., Ltd.
- Keita Takanashi
- G11 - INFORMATION STORAGE