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Yasuhiro Doi
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Tokyo-To, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Radiation curable resin composition for lens sheet and lens sheet
Patent number
7,666,920
Issue date
Feb 23, 2010
Dai Nippon Ink and Chemicals, Inc.
Hiroyuki Tokuda
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Lens sheet for screen
Patent number
7,532,395
Issue date
May 12, 2009
Dai Nippon Printing Co., Ltd.
Yasuhiro Doi
G02 - OPTICS
Information
Patent Grant
Resin composition and optical element
Patent number
7,074,847
Issue date
Jul 11, 2006
Dai Nippon Printing Co. Ltd.
Yasuhiro Doi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Radiation curable resin composition for fresnel lens and fresnel le...
Patent number
6,809,889
Issue date
Oct 26, 2004
Dainippon Ink and Chemicals, Inc.
Hiroyuki Tokuda
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Resin composition for lens sheet, lens sheet, and projection screen
Patent number
6,801,372
Issue date
Oct 5, 2004
Dai Nippon Printing Co., Ltd.
Yasuhiro Doi
G02 - OPTICS
Information
Patent Grant
Resin composition for production of optical element, the optical el...
Patent number
6,650,471
Issue date
Nov 18, 2003
Dai Nippon Printing Co., Ltd.
Yasuhiro Doi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Base plate, lens sheet, and projection screen
Patent number
6,639,736
Issue date
Oct 28, 2003
Dai Nippon Printing Co., Ltd.
Hitomu Watanabe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
Actinic-energy-ray-curable resin composition for lens sheet and len...
Publication number
20060189706
Publication date
Aug 24, 2006
Hiroyuki Tokuda
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Lens sheet for screen
Publication number
20060187545
Publication date
Aug 24, 2006
Dai Nippon Printing Co., Ltd.
Yasuhiro Doi
G02 - OPTICS
Information
Patent Application
Optical element-use resin composition, optical element, and project...
Publication number
20050225855
Publication date
Oct 13, 2005
Yasuhiro Doi
G02 - OPTICS
Information
Patent Application
Resin composition and optical element
Publication number
20050148676
Publication date
Jul 7, 2005
Yasuhiro Doi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Resin composition and optical element
Publication number
20050118430
Publication date
Jun 2, 2005
Yasuhiro Doi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Resin composition for lens sheet, lens sheet, and projection screen
Publication number
20040125465
Publication date
Jul 1, 2004
Yasuhiro Doi
G02 - OPTICS
Information
Patent Application
Radiation curable resin composition for fresnel lens and fresnel le...
Publication number
20030113544
Publication date
Jun 19, 2003
Dainippon Ink and Chemicals, Inc.
Hiroyuki Tokuda
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Resin composition for production of optical element, the optical el...
Publication number
20030081311
Publication date
May 1, 2003
Yasuhiro Doi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Base plate, lens sheet, and projection screen
Publication number
20020171928
Publication date
Nov 21, 2002
Hitomu Watanabe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Method of reproducing a die and property check method of the same
Publication number
20020063061
Publication date
May 30, 2002
Yasuhiro Doi
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR