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Hiroshi Owari
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Yokohama-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical waveguide and electronic device
Patent number
9,239,426
Issue date
Jan 19, 2016
Sumitomo Bakelite Company Limited
Tetsuya Mori
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
Light guide and light guide structure
Patent number
8,200,058
Issue date
Jun 12, 2012
Sumitomo Bakelite Company, Ltd.
Koji Choki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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 Applications
last 30 patents
Information
Patent Application
OPTICAL WAVEGUIDE AND ELECTRONIC DEVICE
Publication number
20130183015
Publication date
Jul 18, 2013
SUMITOMO BAKELITE COMPANY LIMITED
Tetsuya Mori
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
LIGHT GUIDE AND LIGHT GUIDE STRUCTURE
Publication number
20100067861
Publication date
Mar 18, 2010
SUMITOMO BAKELITE COMPANY LIMITED
Koji Choki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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