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Masatoshi ARAI
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last 30 patents
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Patent Grant
Resist composition, method of forming resist pattern, compound, and...
Patent number
11,829,068
Issue date
Nov 28, 2023
Tokyo Ohka Kogyo Co., Ltd.
Koshi Onishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
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 and method of forming resist pattern
Patent number
11,754,922
Issue date
Sep 12, 2023
Tokyo Ohka Kogyo Co., Ltd.
Masatoshi Arai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Organically modified metal oxide nanoparticles, organically modifie...
Patent number
11,747,724
Issue date
Sep 5, 2023
Tokyo Ohka Kogyo Co., Ltd.
Kiwamu Sue
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Resist composition and method of forming resist pattern
Patent number
11,703,756
Issue date
Jul 18, 2023
Tokyo Ohka Kogyo Co., Ltd.
Koshi Onishi
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, method of forming resist pattern, compound, aci...
Patent number
11,667,605
Issue date
Jun 6, 2023
Tokyo Ohka Kogyo Co., Ltd.
Hiroto Yamazaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Resist composition and method of forming resist pattern
Patent number
11,644,751
Issue date
May 9, 2023
Tokyo Ohka Kogyo Co., Ltd.
Junichi Miyakawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Resist composition and method of forming resist pattern
Patent number
11,635,687
Issue date
Apr 25, 2023
TOKYO OHKA KOGYO, CO., LTD.
Junichi Miyakawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Resist composition and method of forming resist pattern
Patent number
11,448,963
Issue date
Sep 20, 2022
TOKYO OHKA KOG YO CO., LTD.
Masatoshi Arai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Resist composition, method of forming resist pattern, compound, aci...
Patent number
11,281,099
Issue date
Mar 22, 2022
Tokyo Ohka Kogyo Co., Ltd.
Hiroto Yamazaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Resist composition, method of forming resist pattern, polymeric com...
Patent number
11,275,307
Issue date
Mar 15, 2022
Tokyo Ohka Kogyo Co., Ltd.
Masatoshi Arai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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-...
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
Resist composition and method of forming resist pattern
Patent number
11,181,822
Issue date
Nov 23, 2021
Tokyo Ohka Kogyo Co., Ltd.
Koshi Onishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Resist composition, method of forming resist pattern, polymeric com...
Patent number
11,061,329
Issue date
Jul 13, 2021
Tokyo Ohka Kogyo Co., Ltd.
Takuya Ikeda
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Resist composition, method of forming resist pattern, polymeric com...
Patent number
10,908,502
Issue date
Feb 2, 2021
Tokyo Ohka Kogyo Co., Ltd.
Masatoshi Arai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Resist composition, method of forming resist pattern, compound, and...
Patent number
10,649,330
Issue date
May 12, 2020
Tokyo Ohka Kogyo Co., Ltd.
Masatoshi Arai
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-...
Information
Patent Grant
Resist composition and method of forming resist pattern
Patent number
10,324,377
Issue date
Jun 18, 2019
Tokyo Ohka Kogyo Co., Ltd.
Taku Hirayama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Resist composition, method for forming resist pattern, and polymer...
Patent number
10,295,905
Issue date
May 21, 2019
Tokyo Ohka Kogyo Co., Ltd.
Yoshitaka Komuro
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for manufacturing polymer compound
Patent number
10,100,134
Issue date
Oct 16, 2018
Tokyo Ohka Kogyo Co., Ltd.
Masatoshi Arai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Developer container and image forming apparatus
Patent number
9,829,827
Issue date
Nov 28, 2017
Fuji Xerox Co., Ltd.
Masatoshi Arai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Resist composition, method of forming resist pattern, polymeric com...
Patent number
9,778,567
Issue date
Oct 3, 2017
Tokyo Ohka Kogyo Co., Ltd.
Masatoshi Arai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Positive-type resist composition, method for forming resist pattern...
Patent number
9,766,541
Issue date
Sep 19, 2017
Tokyo Ohka Kogyo Co., Ltd.
Hiroto Yamazaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method of forming resist pattern
Patent number
9,690,194
Issue date
Jun 27, 2017
Tokyo Ohka Kogyo Co., Ltd.
Tsuyoshi Nakamura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method of forming resist pattern
Patent number
9,639,002
Issue date
May 2, 2017
Tokyo Ohka Kogyo Co., Ltd.
Masatoshi Arai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Resist composition, method of forming resist pattern, polymeric com...
Patent number
9,606,433
Issue date
Mar 28, 2017
Tokyo Ohka Kogyo Co., Ltd.
Yoshiyuki Utsumi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Resist composition, method of forming resist pattern, compound, and...
Patent number
9,411,227
Issue date
Aug 9, 2016
Tokyo Ohka Kogyo Co., Ltd.
Takashi Nagamine
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polymerization method of high-molecular weight compound, resist com...
Patent number
9,383,642
Issue date
Jul 5, 2016
Tokyo Ohka Kogyo Co., Ltd.
Takahiro Dazai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
RESIST COMPOSITION, RESIST PATTERN FORMATION METHOD, COMPOUND, ACID...
Publication number
20250004366
Publication date
Jan 2, 2025
Tokyo Ohka Kogyo Co., Ltd.
Masatoshi ARAI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
RESIST COMPOSITION AND METHOD FOR FORMING RESIST PATTERN
Publication number
20230408917
Publication date
Dec 21, 2023
Tokyo Ohka Kogyo Co., Ltd.
Takatoshi Inari
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
RESIST COMPOSITION AND RESIST PATTERN FORMING METHOD
Publication number
20230205084
Publication date
Jun 29, 2023
Tokyo Ohka Kogyo Co., Ltd.
Makoto SAKATA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
RESIST COMPOSITION AND METHOD OF FORMING RESIST PATTERN
Publication number
20220179314
Publication date
Jun 9, 2022
Tokyo Ohka Kogyo Co., Ltd.
Rin ODASHIMA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
RESIST COMPOSITION AND METHOD OF FORMING RESIST PATTERN
Publication number
20220179306
Publication date
Jun 9, 2022
Tokyo Ohka Kogyo Co., Ltd.
Rin ODASHIMA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
RESIST COMPOSITION AND METHOD OF FORMING RESIST PATTERN
Publication number
20220171286
Publication date
Jun 2, 2022
Tokyo Ohka Kogyo Co., Ltd.
Takatoshi INARI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
RESIST COMPOSITION AND METHOD OF FORMING RESIST PATTERN
Publication number
20220121116
Publication date
Apr 21, 2022
Tokyo Ohka Kogyo Co., Ltd.
Koshi ONISHI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
RESIST COMPOSITION, METHOD OF FORMING RESIST PATTERN, COMPOUND, AND...
Publication number
20220121117
Publication date
Apr 21, 2022
Tokyo Ohka Kogyo Co., Ltd.
Koshi ONISHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
RESIST COMPOSITION AND METHOD OF FORMING RESIST PATTERN
Publication number
20220019142
Publication date
Jan 20, 2022
Tokyo Ohka Kogyo Co., Ltd.
Masatoshi ARAI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
RESIST COMPOSITION, METHOD OF FORMING RESIST PATTERN, COMPOUND, ACI...
Publication number
20210389668
Publication date
Dec 16, 2021
Tokyo Ohka Kogyo Co., Ltd.
Hiroto YAMAZAKI
C07 - ORGANIC CHEMISTRY
Information
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 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
ORGANICALLY MODIFIED METAL OXIDE NANOPARTICLES, ORGANICALLY MODIFIE...
Publication number
20210191261
Publication date
Jun 24, 2021
NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
Kiwamu SUE
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
RESIST COMPOSITION AND METHOD OF FORMING RESIST PATTERN
Publication number
20210181634
Publication date
Jun 17, 2021
Tokyo Ohka Kogyo Co., Ltd.
Junichi MIYAKAWA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
RESIST COMPOSITION AND METHOD OF FORMING RESIST PATTERN
Publication number
20210181633
Publication date
Jun 17, 2021
Tokyo Ohka Kogyo Co., Ltd.
Junichi MIYAKAWA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
RESIST COMPOSITION AND METHOD OF FORMING RESIST PATTERN
Publication number
20210141307
Publication date
May 13, 2021
TOKYO OHKA KYGYO CO., LTD.
Mari Murata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
RESIST COMPOSITION, METHOD OF FORMING RESIST PATTERN, POLYMERIC COM...
Publication number
20210055656
Publication date
Feb 25, 2021
Tokyo Ohka Kogyo Co., Ltd.
Koshi ONISHI
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
20190384174
Publication date
Dec 19, 2019
Tokyo Ohka Kogyo Co., Ltd.
Masatoshi ARAI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
RESIST COMPOSITION, METHOD OF FORMING RESIST PATTERN, POLYMERIC COM...
Publication number
20190384175
Publication date
Dec 19, 2019
Tokyo Ohka Kogyo Co., Ltd.
Masatoshi ARAI
C07 - ORGANIC CHEMISTRY
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
RESIST COMPOSITION AND METHOD OF FORMING RESIST PATTERN
Publication number
20190361343
Publication date
Nov 28, 2019
Tokyo Ohka Kogyo Co., Ltd.
Koshi ONISHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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-...
Information
Patent Application
RESIST COMPOSITION, METHOD OF FORMING RESIST PATTERN, COMPOUND, ACI...
Publication number
20190361344
Publication date
Nov 28, 2019
Tokyo Ohka Kogyo Co., Ltd.
Hiroto YAMAZAKI
C07 - ORGANIC CHEMISTRY
Information
Patent Application
RESIST COMPOSITION, METHOD OF FORMING RESIST PATTERN, POLYMERIC COM...
Publication number
20190163057
Publication date
May 30, 2019
Tokyo Ohka Kogyo Co., Ltd.
Takuya IKEDA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
RESIST COMPOSITION, METHOD OF FORMING RESIST PATTERN, POLYMERIC COM...
Publication number
20190107779
Publication date
Apr 11, 2019
Tokyo Ohka Kogyo Co., Ltd.
Masatoshi ARAI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
RESIST COMPOSITION, METHOD OF FORMING RESIST PATTERN, COMPOUND, AND...
Publication number
20180149973
Publication date
May 31, 2018
Tokyo Ohka Kogyo Co., Ltd.
Masatoshi ARAI
C07 - ORGANIC CHEMISTRY
Information
Patent Application
RESIST COMPOSITION, METHOD FOR FORMING RESIST PATTERN, AND POLYMER...
Publication number
20180024433
Publication date
Jan 25, 2018
Tokyo Ohka Kogyo Co., Ltd.
Yoshitaka KOMURO
H01 - BASIC ELECTRIC ELEMENTS
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-...
Information
Patent Application
METHOD FOR MANUFACTURING POLYMER COMPOUND
Publication number
20170166664
Publication date
Jun 15, 2017
Tokyo Ohka Kogyo Co., Ltd.
Masatoshi ARAI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...