Norifumi Komatsu

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Kamakura-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical switch, method of manufacturing same, and optical communica...
- Patent number 6,487,330
- Issue date Nov 26, 2002
- Hitachi, Ltd.
- Masaya Horino
- G02 - OPTICS
Information Patent Grant
Optical switch, method of manufacturing same, and optical communica...
- Patent number 6,219,472
- Issue date Apr 17, 2001
- Hitachi, Ltd.
- Masaya Horino
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Optical switch, method of manufacturing same, and optical communica...
- Publication number 20010017957
- Publication date Aug 30, 2001
- Masaya Horino
- G02 - OPTICS