Masanao Kurihara

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Chiyoda-ku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical waveguide element
- Patent number 9,291,838
- Issue date Mar 22, 2016
- Sumitomo Osaka Cement Co., Ltd.
- Motohiro Takemura
- G02 - OPTICS
Information Patent Grant
Optical waveguide element and method of manufacturing the same
- Patent number 9,223,158
- Issue date Dec 29, 2015
- Sumitomo Osaka Cement Co., Ltd.
- Tetsuya Fujino
- G02 - OPTICS
Information Patent Grant
Waveguide-type polarizer
- Patent number 8,306,372
- Issue date Nov 6, 2012
- Sumitomo Osaka Cement Co., Ltd.
- Katsutoshi Kondou
- G02 - OPTICS
Information Patent Grant
Optical modulator
- Patent number 7,292,739
- Issue date Nov 6, 2007
- Sumitomo Osaka Cement Co., Ltd.
- Takashi Shinriki
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL WAVEGUIDE ELEMENT
- Publication number 20150078701
- Publication date Mar 19, 2015
- SUMITOMO OSAKA CEMENT CO., LTD.
- Motohiro Takemura
- G02 - OPTICS
Information Patent Application
OPTICAL WAVEGUIDE ELEMENT AND METHOD OF MANUFACTURING THE SAME
- Publication number 20140254972
- Publication date Sep 11, 2014
- SUMITOMO OSAKA CEMENT CO., LTD.
- Tetsuya Fujino
- G02 - OPTICS
Information Patent Application
Waveguide-type polarizer
- Publication number 20110243493
- Publication date Oct 6, 2011
- Sumitomo Osaka Cement Co.
- Katsutoshi Kondou
- G02 - OPTICS
Information Patent Application
Optical modulator
- Publication number 20060147145
- Publication date Jul 6, 2006
- Sumitomo Osaka Cement Co., Ltd.
- Takashi Shinriki
- G02 - OPTICS