Hiromitsu Nakayama

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Chiba-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical switch and optical switch device
- Patent number 6,934,440
- Issue date Aug 23, 2005
- Seiko Instruments Inc.
- Norihiro Dejima
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Optical switch and optical switch device
- Publication number 20040131306
- Publication date Jul 8, 2004
- Norihiro Dejima
- G02 - OPTICS
Information Patent Application
Optical fiber with lens and manufacturing method thereof
- Publication number 20040131321
- Publication date Jul 8, 2004
- Toshiya Kubo
- G02 - OPTICS