Tatsuya Tabei

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Polymer dispersion-type liquid crystal optical device and method fo...
- Patent number 6,108,062
- Issue date Aug 22, 2000
- Dai Nippon Printing Co., Ltd.
- Satoshi Takeuchi
- G02 - OPTICS
Information Patent Grant
Polymer dispersion-type liquid crystal optical device and method fo...
- Patent number 5,843,332
- Issue date Dec 1, 1998
- Dai Nippon Printing Co., Ltd.
- Satoshi Takeuchi
- G02 - OPTICS
Information Patent Grant
Method of making a polymer dispersed liquid crystal by electrodepos...
- Patent number 5,479,278
- Issue date Dec 26, 1995
- Dai Nippon Printing Co., Ltd.
- Satoshi Takeuchi
- G02 - OPTICS