Yoshiki Hasegawa

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Iwata-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for preventing decrease in optical purity
- Patent number 9,896,402
- Issue date Feb 20, 2018
- Takasago International Corporation
- Hideki Nara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polymerizable liquid crystal compound and optical film
- Patent number 6,805,920
- Issue date Oct 19, 2004
- Nitto Denko Corporation
- Shusaku Nakano
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PREVENTING DECREASE IN OPTICAL PURITY
- Publication number 20140296582
- Publication date Oct 2, 2014
- TAKASAGO INTERNATIONAL CORPORATION
- Hideki Nara
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Quinone Compound, Electrophotographic Photoconductor and Electropho...
- Publication number 20090317733
- Publication date Dec 24, 2009
- Fuji Electric Device Technology Co., LTD.
- Kenichi Okura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Quinone compound, electrophotographic photoconductor, and electroph...
- Publication number 20060204874
- Publication date Sep 14, 2006
- FUJI ELECTRIC IMAGING DEVICE CO., LTD.
- Kenichi Ohkura
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Dithia-s-indacene derivative
- Publication number 20050258398
- Publication date Nov 24, 2005
- TAKASAGO INTERNATIONAL CORPORATION
- Tohru Kobayashi
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Polymerizable liquid crystal compound and optical film
- Publication number 20030072893
- Publication date Apr 17, 2003
- Shusaku Nakano
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...