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Hisanobu Harada
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Kawasaki-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Photosensitive resin composition and method of forming pattern
Patent number
8,216,763
Issue date
Jul 10, 2012
Tokyo Ohka Kogyo Co., Ltd.
Kazufumi Sato
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method of forming pattern
Patent number
8,178,284
Issue date
May 15, 2012
Tokyo Ohka Kogyo Co., Ltd.
Shinichi Kohno
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Thermoacid generator for antireflection film formation, composition...
Patent number
7,785,768
Issue date
Aug 31, 2010
Tokyo Ohka Kogyo Co. Ltd.
Daisuke Kawana
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Positive photoresist coating solution comprising a mixed solvent of...
Patent number
5,702,862
Issue date
Dec 30, 1997
Tokyo Ohka Kogyo Co., Ltd.
Hayato Ohno
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
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Patent Application
METHOD OF FORMING PATTERN
Publication number
20090280438
Publication date
Nov 12, 2009
Tokyo Ohka Kogyo Co., Ltd.
Shinichi Kohno
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PHOTOSENSITIVE RESIN COMPOSITION AND METHOD OF FORMING PATTERN
Publication number
20090220889
Publication date
Sep 3, 2009
Tokyo Ohka Kogyo Co., Ltd.
Kazufumi Sato
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Thermoacid Generator for Antireflection Film Formation, Composition...
Publication number
20090130595
Publication date
May 21, 2009
TOKYO OHKA KOGYO CO., LTD.
Daisuke Kawana
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
COMPOSITION FOR FORMING RESIST UNDERLAYER FILM, AND RESIST UNDERLAY...
Publication number
20080312400
Publication date
Dec 18, 2008
Tokyo Ohka Kogyo Co., Ltd.
Naoki YAMASHITA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Composition for formation of antireflection film, and antireflectio...
Publication number
20060292488
Publication date
Dec 28, 2006
Tokyo Ohka Kogyo Co., Ltd.
Toshikazu Takayama
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Composition for forming intermediate layer containing sylylphenylen...
Publication number
20060263702
Publication date
Nov 23, 2006
Tokyo Ohka Kogyo Co., Ltd.
Naoki Yamashita
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...