Seiji Kojima

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Yokohama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Liquid crystal optical element and process for its production
- Patent number 7,459,189
- Issue date Dec 2, 2008
- Asahi Glass Company, Limited
- Shinya Tahara
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Color liquid crystal display device wherein the color polarizer hav...
- Patent number 6,498,633
- Issue date Dec 24, 2002
- Optrex Corporation
- Masao Ozeki
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Liquid crystal optical element and process for its production
- Publication number 20050206832
- Publication date Sep 22, 2005
- OPTREX CORPORATION
- Shinya Tahara
- G02 - OPTICS