Kei Ikegami

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Black resin composition for display device, and member for display...
- Patent number 7,785,501
- Issue date Aug 31, 2010
- Dai Nippon Printing Co., Ltd.
- Hiroaki Segawa
- G02 - OPTICS
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

Patents Applicationslast 30 patents

Information Patent Application
Black Resin Composition for Display Device, and Member for Display...
- Publication number 20080318018
- Publication date Dec 25, 2008
- Hiroaki Segawa
- G02 - OPTICS