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Haruyoshi Sato
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Kawasaki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Elliptical polarizer and liquid crystal display device
Patent number
6,970,214
Issue date
Nov 29, 2005
Nippon Oil Corporation
Haruyoshi Sato
G02 - OPTICS
Information
Patent Grant
Light-shielding layer, method for producing same, and method for pr...
Patent number
5,837,374
Issue date
Nov 17, 1998
Nippon Oil Co., Ltd.
Takayuki Hirayama
G02 - OPTICS
Information
Patent Grant
Thermosetting and procuring compositions for color filters and meth...
Patent number
5,821,277
Issue date
Oct 13, 1998
Nippon Oil Co., Ltd.
Takayuki Hirayama
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for producing carbonaceous material
Patent number
5,811,475
Issue date
Sep 22, 1998
Nippon Oil Co., Ltd.
Takayuki Hirayama
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for producing black pigment
Patent number
5,782,968
Issue date
Jul 21, 1998
Nippon Oil Co., Ltd.
Takayuki Hirayama
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Substrate having light shielding layer
Patent number
5,718,992
Issue date
Feb 17, 1998
Dai Nippon Printing Co., Ltd.
Haruyoshi Sato
G02 - OPTICS
Information
Patent Grant
Method for forming a substrate having a light shielding layer
Patent number
5,527,649
Issue date
Jun 18, 1996
Nippon Oil Co., Ltd.
Haruyoshi Sato
G02 - OPTICS
Information
Patent Grant
Method for producing color filter
Patent number
5,478,681
Issue date
Dec 26, 1995
Nippon Oil Co., Ltd.
Yukio Yamasita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Positive type photoresist composition comprising a polymer having c...
Patent number
5,411,836
Issue date
May 2, 1995
Nippon Oil Co., Ltd.
Eiji Yoda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method for producing color filter wherein the voltage used to elect...
Patent number
5,399,449
Issue date
Mar 21, 1995
Nippon Oil Co., Ltd.
Junichiro Tanimoto
G02 - OPTICS
Information
Patent Grant
Method for producing color filter
Patent number
5,385,795
Issue date
Jan 31, 1995
Nippon Oil Co., Ltd.
Hitoshi Yuasa
G02 - OPTICS
Information
Patent Grant
Method for producing color filter
Patent number
5,372,902
Issue date
Dec 13, 1994
Nippon Oil Co., Ltd.
Yukio Yamashita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method for producing color filter
Patent number
5,334,468
Issue date
Aug 2, 1994
Nippon Oil Co., Ltd.
Yukio Yamasita
G02 - OPTICS
Information
Patent Grant
Method for producing color filter
Patent number
5,314,769
Issue date
May 24, 1994
Nippon Oil Co., Ltd.
Yukio Yamasita
G02 - OPTICS
Information
Patent Grant
Method for producing color filter
Patent number
5,314,770
Issue date
May 24, 1994
Nippon Oil Co., Ltd.
Yukio Yamasita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method for producing color filter
Patent number
5,214,541
Issue date
May 25, 1993
Nippon Oil Co., Ltd.
Yukio Yamasita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method for producing color filter
Patent number
5,214,542
Issue date
May 25, 1993
Nippon Oil Co., Ltd.
Yukio Yamasita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Resin composition for forming durable protection coating and proces...
Patent number
5,096,800
Issue date
Mar 17, 1992
Nippon Oil Co., Ltd.
Hitoshi Yuasa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
Elliptical polarizer and liquid crystal display device
Publication number
20040169792
Publication date
Sep 2, 2004
NIPPON OIL CORPORATION
Haruyoshi Sato
G02 - OPTICS