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Nobuhiro MICHIBAYASHI
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Kawasaki-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Alternating copolymer, method of producing alternating copolymer, m...
Patent number
11,780,946
Issue date
Oct 10, 2023
Tokyo Ohka Kogyo Co., Ltd.
Akiyoshi Yamazaki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
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 and method of forming resist pattern
Patent number
11,693,316
Issue date
Jul 4, 2023
Tokyo Ohka Kogyo Co., Ltd.
KhanhTin Nguyen
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Resist composition, and method of forming resist pattern
Patent number
11,256,169
Issue date
Feb 22, 2022
Tokyo Ohka Kogyo Co., Ltd.
Takuya Ikeda
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
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Patent Application
ALTERNATING COPOLYMER, METHOD OF PRODUCING ALTERNATING COPOLYMER, M...
Publication number
20210230332
Publication date
Jul 29, 2021
Tokyo Ohka Kogyo Co., Ltd.
Akiyoshi YAMAZAKI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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 AND METHOD OF FORMING RESIST PATTERN
Publication number
20210191268
Publication date
Jun 24, 2021
Tokyo Ohka Kogyo Co., Ltd.
KhanhTin NGUYEN
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
RESIST COMPOSITION, METHOD OF FORMING RESIST PATTERN, AND COMPOUND
Publication number
20200183273
Publication date
Jun 11, 2020
Tokyo Ohka Kogyo Co., Ltd.
KhanhTin NGUYEN
C07 - ORGANIC CHEMISTRY
Information
Patent Application
RESIST COMPOSITION, AND METHOD OF FORMING RESIST PATTERN
Publication number
20190361346
Publication date
Nov 28, 2019
Tokyo Ohka Kogyo Co., Ltd.
Takuya IKEDA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...