Noriaki Nagahata

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical device, optical path switching device and optical path swit...
- Patent number 7,058,254
- Issue date Jun 6, 2006
- Nippon Sheet Glass Co., Ltd.
- Noriaki Nagahata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Optical device, optical path switching device and optical path swit...
- Publication number 20040131307
- Publication date Jul 8, 2004
- Noriaki Nagahata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE