Kenji Miyao

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Yokohama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical waveguide and optical waveguide manufacturing member
- Patent number 8,774,575
- Issue date Jul 8, 2014
- Sumitomo Bakelite Company Limited
- Makoto Fujiwara
- G02 - OPTICS
Information Patent Grant
Substrate for mounting an optical element, optical circuit substrat...
- Patent number 8,208,769
- Issue date Jun 26, 2012
- Sumitomo Bakelite Co., Ltd.
- Koji Choki
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Substrate for mounting an optical element, optical circuit substrat...
- Patent number 7,869,670
- Issue date Jan 11, 2011
- Sumitomo Bakelite Co., Ltd.
- Koji Choki
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL WAVEGUIDE AND OPTICAL WAVEGUIDE MANUFACTURING MEMBER
- Publication number 20110243499
- Publication date Oct 6, 2011
- SUMITOMO BAKELITE COMPANY LIMITED
- Makoto Fujiwara
- G02 - OPTICS
Information Patent Application
SUBSTRATE FOR MOUNTING AN OPTICAL ELEMENT, OPTICAL CIRCUIT SUBSTRAT...
- Publication number 20100226606
- Publication date Sep 9, 2010
- SUMITOMO BAKELITE CO., LTD.
- Koji CHOKI
- G02 - OPTICS
Information Patent Application
OPTICAL ELEMENT MOUNTING BOARD, OPTICAL CIRCUIT BOARD AND OPTICAL E...
- Publication number 20090245720
- Publication date Oct 1, 2009
- SUMITOMO BAKELITE CO.,LTD.
- Koji Choki
- G02 - OPTICS