Shimon Ishikawa

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Sakura-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Manufacturing method for optical coupler/splitter and method for ad...
- Patent number 7,046,881
- Issue date May 16, 2006
- Fujikura, Ltd.
- Ken Sakuma
- G02 - OPTICS
Information Patent Grant
Optical waveguide in the interior of silica glass and method of for...
- Patent number 6,945,078
- Issue date Sep 20, 2005
- Fujikura Ltd.
- Takeshi Fukuda
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Method for forming optical waveguide and optical waveguide
- Publication number 20040047578
- Publication date Mar 11, 2004
- FUJIKURA LTD.
- Takeshi Fukuda
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Manufacturing method for optical coupler/splitter and method for ad...
- Publication number 20030021536
- Publication date Jan 30, 2003
- Ken Sakuma
- G02 - OPTICS