TAKAHIRO TOGASHI

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TOKOROZAWA-SHI, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical pickup device
- Patent number 6,346,695
- Issue date Feb 12, 2002
- Pioneer Electronic Corporation
- Naoharu Yanagawa
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL PICKUP DEVICE
- Publication number 20010048063
- Publication date Dec 6, 2001
- NAOHARU YANAGAWA
- G01 - MEASURING TESTING