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Masahiro SHIOSAKI
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Kawasaki-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Resist composition, method of forming resist pattern, and acid diff...
Patent number
11,762,288
Issue date
Sep 19, 2023
Tokyo Ohka Kogyo Co., Ltd.
Hiroto Yamazaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Resist composition, method of forming resist pattern, compound, and...
Patent number
11,221,557
Issue date
Jan 11, 2022
Tokyo Ohka Kogyo Co., Ltd.
Takuya Ikeda
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of preparing polymer compound
Patent number
10,414,918
Issue date
Sep 17, 2019
Tokyo Ohka Kogyo Co., Ltd.
Yoshitaka Komuro
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
RESIST COMPOSITION, METHOD OF FORMING RESIST PATTERN, AND ACID DIFF...
Publication number
20210200089
Publication date
Jul 1, 2021
Tokyo Ohka Kogyo Co., Ltd.
Hiroto YAMAZAKI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
RESIST COMPOSITION AND METHOD OF FORMING RESIST PATTERN
Publication number
20210200088
Publication date
Jul 1, 2021
Tokyo Ohka Kogyo Co., Ltd.
Toshiaki YATSUNAMI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
RESIST COMPOSITION, METHOD OF FORMING RESIST PATTERN, COMPOUND, AND...
Publication number
20190361345
Publication date
Nov 28, 2019
Tokyo Ohka Kogyo Co., Ltd.
Takuya IKEDA
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD OF PREPARING POLYMER COMPOUND
Publication number
20180022916
Publication date
Jan 25, 2018
Tokyo Ohka Kogyo Co., Ltd.
Yoshitaka KOMURO
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...