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Yasushi Washio
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Kawasaki-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Chemically amplified positive-type photosensitive resin composition
Patent number
9,557,651
Issue date
Jan 31, 2017
Tokyo Ohka Kogyo Co., Ltd.
Shota Katayama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method for producing thick film photoresist pattern
Patent number
9,244,354
Issue date
Jan 26, 2016
Tokyo Ohka Kogyo Co., Ltd.
Yasushi Washio
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Positive-type photoresist composition, photoresist laminate, method...
Patent number
9,091,916
Issue date
Jul 28, 2015
Tokyo Ohka Kogyo Co., Ltd.
Takahiro Shimizu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Chemically amplified positive-type photoresist composition for thic...
Patent number
8,507,180
Issue date
Aug 13, 2013
Tokyo Ohka Kogyo Co., Ltd.
Yasushi Washio
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Resin composition and coating method using the same
Patent number
8,455,058
Issue date
Jun 4, 2013
Tokyo Ohka Kogyo Co., Ltd.
Yasushi Washio
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Method of forming plated product using negative photoresist composi...
Patent number
8,105,763
Issue date
Jan 31, 2012
Tokyo Ohka Kogyo Co., Ltd.
Yasuo Masuda
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Chemically amplified photoresist composition, laminated product, an...
Patent number
7,879,525
Issue date
Feb 1, 2011
Tokyo Ohka Kogyo Co., Ltd.
Yasushi Washio
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developer composition for resists and method for formation of resis...
Patent number
7,846,640
Issue date
Dec 7, 2010
Tokyo Ohka Kogyo Co., Ltd.
Yasushi Washio
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Thick film photoresist composition and method of forming resist pat...
Patent number
7,598,014
Issue date
Oct 6, 2009
Tokyo Ohka Kogyo Co., Ltd.
Yasushi Washio
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Developer composition for resists and method for formation of resis...
Patent number
7,335,465
Issue date
Feb 26, 2008
Tokyo Ohka Kogyo Co., Ltd.
Yasushi Washio
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Chemically amplified negative photoresist composition for the forma...
Patent number
6,838,229
Issue date
Jan 4, 2005
Tokyo Ohka Kogyo Co., Ltd.
Yasushi Washio
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Patents Applications
last 30 patents
Information
Patent Application
CHEMICALLY AMPLIFIED POSITIVE-TYPE PHOTOSENSITIVE RESIN COMPOSITION
Publication number
20150268553
Publication date
Sep 24, 2015
Tokyo Ohka Kogyo Co., Ltd.
Shota Katayama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
POSITIVE-TYPE PHOTORESIST COMPOSITION, PHOTORESIST LAMINATE, METHOD...
Publication number
20130230801
Publication date
Sep 5, 2013
Tokyo Ohka Kogyo Co., Ltd.
Takahiro Shimizu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
METHOD FOR PRODUCING THICK FILM PHOTORESIST PATTERN
Publication number
20130171572
Publication date
Jul 4, 2013
Tokyo Ohka Kogyo Co., Ltd.
Yasushi Washio
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CHEMICALLY AMPLIFIED POSITIVE-TYPE PHOTORESIST COMPOSITION FOR THIC...
Publication number
20120141940
Publication date
Jun 7, 2012
Tokyo Ohka Kogyo Co., Ltd.
Takahiro Shimizu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CHEMICALLY AMPLIFIED POSITIVE-TYPE PHOTORESIST COMPOSITION FOR THIC...
Publication number
20100047715
Publication date
Feb 25, 2010
TOKYO OHKA KOGYO CO., LTD.
Yasushi Washio
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Resin composition and coating method using the same
Publication number
20090285985
Publication date
Nov 19, 2009
Tokyo Ohka Kogyo Co., Ltd.
Yasushi Washio
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
POSITIVE PHOTORESIST COMPOSITION, THICK FILM PHOTORESIST LAMINATE,...
Publication number
20090068341
Publication date
Mar 12, 2009
Tokyo Ohka Kogyo Co., Ltd.
Koichi Misumi
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Method of Forming Plated Product Using Negative Photoresist Composi...
Publication number
20080032242
Publication date
Feb 7, 2008
Yasuo Masuda
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Chemically Amplified Photorestist Composition, Laminated Product, a...
Publication number
20070275320
Publication date
Nov 29, 2007
Yasushi Washio
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Thick film photoresist composition and method of forming resist pat...
Publication number
20070105037
Publication date
May 10, 2007
Tokyo Ohka Kogyo Co., Ltd.
Yasushi Washio
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Developer composition for resists and method for formation of resis...
Publication number
20060154158
Publication date
Jul 13, 2006
Yasushi Washio
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Developer composition for resists and method for formation of resis...
Publication number
20060127825
Publication date
Jun 15, 2006
TOKYO OHKA KOGYO., LTD.
Yasushi Washio
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Thick film photoresist layer laminate, method of manufacturing thic...
Publication number
20030087187
Publication date
May 8, 2003
Tokyo Ohka Kogyo Co., Ltd.
Koji Saito
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Chemically amplified negative photoresist composition for the forma...
Publication number
20030039921
Publication date
Feb 27, 2003
Tokyo Ohka Kogyo Co., Ltd.
Yasushi Washio
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC