Koichi MATSUYAMA

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Adachi-ku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical element retaining device, optical element transfer device a...
- Patent number 8,520,487
- Issue date Aug 27, 2013
- Sanyo Electric Co., Ltd.
- Mitsuhiro Hashimoto
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL ELEMENT RETAINING DEVICE, OPTICAL ELEMENT TRANSFER DEVICE A...
- Publication number 20130039161
- Publication date Feb 14, 2013
- SANYO OPTEC DESIGN CO. LTD.
- Mitsuhiro HASHIMOTO
- G11 - INFORMATION STORAGE