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Toshikazu Nishio
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Tokyo-To, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Flat light source using light-diffusing sheet with projections thereon
Patent number
5,944,405
Issue date
Aug 31, 1999
Dai Nippon Printing Co., Ltd.
Michiko Takeuchi
G02 - OPTICS
Information
Patent Grant
Reflector for display
Patent number
5,914,825
Issue date
Jun 22, 1999
Dai Nippon Printing Co., Ltd.
Toshikazu Nishio
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Abrasive tape and method of producing the same
Patent number
5,908,476
Issue date
Jun 1, 1999
Dai Nippon Printing Co., Ltd.
Toshikazu Nishio
B24 - GRINDING POLISHING
Information
Patent Grant
Abrasive tape and method of producing the same
Patent number
5,868,806
Issue date
Feb 9, 1999
Dai Nippon Printing Co., Ltd.
Toshikazu Nishio
B24 - GRINDING POLISHING
Information
Patent Grant
Lens array sheet, surface light source, and transmission type displ...
Patent number
5,841,572
Issue date
Nov 24, 1998
Dai Nippon Printing Co., Ltd.
Rika Ando
G02 - OPTICS
Information
Patent Grant
Lens array sheet surface light source, and transmission type displa...
Patent number
5,808,784
Issue date
Sep 15, 1998
Dai Nippon Printing Co., Ltd.
Rika Ando
G02 - OPTICS
Information
Patent Grant
Ionizing radiation-curable resin composition for optical article, o...
Patent number
5,714,218
Issue date
Feb 3, 1998
Dainippon Printing Co., Ltd.
Toshikazu Nishio
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Abrasive tape and method of producing the same
Patent number
5,709,598
Issue date
Jan 20, 1998
Dai Nippon Printing Co., Ltd.
Toshikazu Nishio
B24 - GRINDING POLISHING
Information
Patent Grant
Film lens and a surface light source using the same
Patent number
5,598,280
Issue date
Jan 28, 1997
Dai Nippon Printing Co., Ltd.
Toshikazu Nishio
G02 - OPTICS
Information
Patent Grant
Renticular lens, surface light source, and liquid crystal display a...
Patent number
5,592,332
Issue date
Jan 7, 1997
Dai Nippon Printing Co., Ltd.
Toshikazu Nishio
G02 - OPTICS