Tetsuo Okugawa

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Toyonaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of using liquid crystal device comprising dichroic dye and l...
- Patent number 4,668,050
- Issue date May 26, 1987
- Casio Computer Co., Ltd.
- Hisashi Aoki
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...