Takeshi Oohashi

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical waveguide and method for manufacturing the same
- Patent number 8,620,127
- Issue date Dec 31, 2013
- Hitachi Chemical Company, Ltd.
- Masatoshi Yamaguchi
- G02 - OPTICS
Information Patent Grant
Photosensitive resin composition, photosensitive element using the...
- Patent number 7,022,462
- Issue date Apr 4, 2006
- Hitachi Chemical Company, Ltd.
- Takeshi Oohashi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL WAVEGUIDE AND METHOD FOR MANUFACTURING THE SAME
- Publication number 20110188827
- Publication date Aug 4, 2011
- Masatoshi Yamaguchi
- G02 - OPTICS