Hiroyoshi Yamamoto

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Yokohama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical fiber product, method of fabricating optical cable, and cha...
- Patent number 7,379,646
- Issue date May 27, 2008
- Sumitomo Electric Industries, Ltd.
- Yasushi Koyano
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Optical fiber product, method of fabricating optical cable, and cha...
- Publication number 20060018610
- Publication date Jan 26, 2006
- SUMITOMO ELECTRIC INDUSTRIES, LTD.
- Yasushi Koyano
- G02 - OPTICS
Information Patent Application
Cable connecting method and optical fiber connecting member
- Publication number 20030180015
- Publication date Sep 25, 2003
- Hiroyoshi Yamamoto
- G02 - OPTICS