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Mitsuo Hagihara
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Kawasaki-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Nonaqueous secondary battery and method for manufacturing same
Patent number
10,141,547
Issue date
Nov 27, 2018
Tokyo Ohka Kogyo Co., Ltd.
Takahiro Asai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Resist pattern forming method and developer for lithography
Patent number
9,964,851
Issue date
May 8, 2018
Tokyo Ohka Kogyo Co., Ltd.
Kazufumi Sato
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Positive resist composition and method for forming resist pattern
Patent number
7,666,569
Issue date
Feb 23, 2010
Tokyo Ohka Kogyo Co., Ltd.
Kazufumi Sato
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Positive resist composition and method of forming resist pattern
Patent number
7,402,372
Issue date
Jul 22, 2008
Tokyo Ohka Kogyo Co., Ltd.
Mitsuo Hagihara
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Novolak resin, production process thereof and positive photoresist...
Patent number
6,730,769
Issue date
May 4, 2004
Tokyo Ohka Kogyo Co., Ltd.
Akira Katano
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Positive photoresist composition
Patent number
6,680,155
Issue date
Jan 20, 2004
Tokyo, Ohka Kogyo Co., Ltd.
Mitsuo Hagihara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Positive photoresist composition
Patent number
6,630,279
Issue date
Oct 7, 2003
Tokyo Ohka Kogyo Co., Ltd.
Mitsuo Hagihara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Polyphenol compound, quinonediazide ester and positive photoresist...
Patent number
6,120,969
Issue date
Sep 19, 2000
Tokyo Ohka Kogyo Co., Ltd.
Mitsuo Hagihara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
RESIST PATTERN FORMING METHOD AND DEVELOPER FOR LITHOGRAPHY
Publication number
20170059994
Publication date
Mar 2, 2017
Tokyo Ohka Kogyo Co., Ltd.
Kazufumi SATO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
NONAQUEOUS SECONDARY BATTERY AND METHOD FOR MANUFACTURING SAME
Publication number
20160149170
Publication date
May 26, 2016
Tokyo Ohka Kogyo Co., Ltd.
Takahiro Asai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Silylphenylene Polymer Composition For The Formation Of Interlayers...
Publication number
20080107971
Publication date
May 8, 2008
Tokyo Ohka Kogyo Co., Ltd.
Yasushi Fujii
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Positive resist composition and method for forming resist pattern
Publication number
20060251986
Publication date
Nov 9, 2006
Kazufumi Sato
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Positive resist composition and method of forming resist pattern
Publication number
20050042540
Publication date
Feb 24, 2005
Tokyo Ohka Kogyo Co., Ltd.
Waki Okubo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Positive resist composition and method of forming resist pattern
Publication number
20050042541
Publication date
Feb 24, 2005
Tokyo Ohka Kogyo Co., Ltd.
Mitsuo Hagihara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Positive photoresist composition
Publication number
20030157424
Publication date
Aug 21, 2003
Tokyo Ohka Kogyo Co., Ltd.
Mitsuo Hagihara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Positive photoresist composition
Publication number
20030152861
Publication date
Aug 14, 2003
Tokyo Ohka Kogyo Co., Ltd.
Mitsuo Hagihara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Novolak resin, production process thereof and positive photoresist...
Publication number
20030065126
Publication date
Apr 3, 2003
Tokyo Ohka Kogyo Co., Ltd.
Akira Katano
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...