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Patents Grants
last 30 patents
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
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
11,709,425
Issue date
Jul 25, 2023
Tokyo Ohka Kogyo Co., Ltd.
Takaya Maehashi
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, 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
Method of producing block copolymer capable of creating specific st...
Patent number
11,560,444
Issue date
Jan 24, 2023
Tokyo Ohka Kogyo Co., Ltd.
Teruaki Hayakawa
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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, 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
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, method for forming resist pattern, compound, an...
Patent number
10,394,122
Issue date
Aug 27, 2019
TOYKO OHKA KOGYO CO., LTD.
Issei Suzuki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Pattern forming method
Patent number
10,366,888
Issue date
Jul 30, 2019
Tokyo Electron Limited
Kazuki Yamada
H01 - BASIC ELECTRIC ELEMENTS
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
Pattern forming method for forming a pattern
Patent number
10,317,797
Issue date
Jun 11, 2019
Tokyo Electron Limited
Hidetami Yaegashi
G06 - COMPUTING CALCULATING COUNTING
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
Monomer having N-acyl carbamoyl group and lactone skeleton, and pol...
Patent number
9,862,695
Issue date
Jan 9, 2018
Daicel Corporation
Hiroshi Koyama
C07 - ORGANIC CHEMISTRY
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
9,639,002
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 and method of forming resist pattern
Patent number
9,557,647
Issue date
Jan 31, 2017
Tokyo Ohka Kogyo Co., Ltd.
Yoshitaka Komuro
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Negative resist composition, method of forming resist pattern and c...
Patent number
9,499,646
Issue date
Nov 22, 2016
Tokyo Ohka Kogyo Co., Ltd.
Naoki Yamashita
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
Negative resist composition, method of forming resist pattern, and...
Patent number
9,366,960
Issue date
Jun 14, 2016
TOKYO OHA KOGYO CO., LTD.
Naoki Yamashita
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Resist composition, acid generator, polymeric compound and method o...
Patent number
9,354,515
Issue date
May 31, 2016
Tokyo Ohka Kogyo Co., Ltd.
Takashi Nagamine
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Resist composition and method of forming resist pattern
Patent number
9,341,947
Issue date
May 17, 2016
Tokyo Ohka Kogyo Co., Ltd.
Yoshitaka Komuro
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Resist composition, compound, polymeric compound and method of form...
Patent number
9,244,347
Issue date
Jan 26, 2016
Tokyo Ohka Kogyo Co., Ltd.
Yoshitaka Komuro
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Resist composition and resist pattern forming method
Patent number
9,235,123
Issue date
Jan 12, 2016
Tokyo Ohka Kogyo Co., Ltd.
Tsuyoshi Nakamura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Resist composition, method for forming resist pattern, and compound
Patent number
9,164,379
Issue date
Oct 20, 2015
Tokyo Ohka Kogyo Co., Ltd.
Yoshiyuki Utsumi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
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 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, 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
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
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
METHOD OF PRODUCING BLOCK COPOLYMER CAPABLE OF CREATING SPECIFIC ST...
Publication number
20200262960
Publication date
Aug 20, 2020
Tokyo Ohka Kogyo Co., Ltd.
Teruaki HAYAKAWA
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
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 AND METHOD OF FORMING RESIST PATTERN
Publication number
20190361342
Publication date
Nov 28, 2019
Tokyo Ohka Kogyo Co., Ltd.
Takaya MAEHASHI
C07 - ORGANIC CHEMISTRY
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
PATTERN FORMING METHOD
Publication number
20180374695
Publication date
Dec 27, 2018
TOKYO ELECTRON LIMITED
Kazuki YAMADA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PATTERN FORMING METHOD FOR FORMING A PATTERN
Publication number
20180143536
Publication date
May 24, 2018
TOKYO ELECTRON LIMITED
Hidetami YAEGASHI
G06 - COMPUTING CALCULATING COUNTING
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
RESIST COMPOSITION, METHOD FOR FORMING RESIST PATTERN, COMPOUND, AN...
Publication number
20170369698
Publication date
Dec 28, 2017
Tokyo Ohka Kogyo Co., Ltd.
Issei SUZUKI
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-...
Information
Patent Application
POSITIVE-TYPE RESIST COMPOSITION, METHOD FOR FORMING RESIST PATTERN...
Publication number
20160376233
Publication date
Dec 29, 2016
Tokyo Ohka Kogyo Co., Ltd.
Hiroto YAMAZAKI
C07 - ORGANIC CHEMISTRY
Information
Patent Application
RESIST COMPOSITION AND METHOD OF FORMING RESIST PATTERN
Publication number
20160363860
Publication date
Dec 15, 2016
Tokyo Ohka Kogyo Co., Ltd.
Taku HIRAYAMA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
NEGATIVE RESIST COMPOSITION, METHOD OF FORMING RESIST PATTERN AND C...
Publication number
20160259244
Publication date
Sep 8, 2016
Tokyo Ohka Kogyo Co., Ltd.
Naoki YAMASHITA
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD OF FORMING RESIST PATTERN
Publication number
20160116843
Publication date
Apr 28, 2016
Tokyo Ohka Kogyo Co., Ltd.
Masatoshi ARAI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
MONOMER HAVING N-ACYL CARBAMOYL GROUP AND LACTONE SKELETON, AND POL...
Publication number
20160060374
Publication date
Mar 3, 2016
Tokyo Ohka Kogyo Co., Ltd.
Hiroshi KOYAMA
C07 - ORGANIC CHEMISTRY
Information
Patent Application
RESIST COMPOSITION AND METHOD OF FORMING RESIST PATTERN
Publication number
20160062236
Publication date
Mar 3, 2016
Tokyo Ohka Kogyo Co., Ltd.
Yoshitaka Komuro
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
RESIST COMPOSITION, METHOD OF FORMING RESIST PATTERN, COMPOUND, AND...
Publication number
20150198881
Publication date
Jul 16, 2015
Tokyo Ohka Kogyo Co., Ltd.
Takashi Nagamine
C07 - ORGANIC CHEMISTRY
Information
Patent Application
NEGATIVE RESIST COMPOSITION, METHOD OF FORMING RESIST PATTERN, AND...
Publication number
20150192851
Publication date
Jul 9, 2015
Tokyo Ohka Kogyo Co., Ltd.
Naoki Yamashita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
RESIST COMPOSITION, ACID GENERATOR, POLYMERIC COMPOUND AND METHOD O...
Publication number
20150037734
Publication date
Feb 5, 2015
Tokyo Ohka Kogyo Co., Ltd.
Takashi Nagamine
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
SULFONIUM SALT AND PHOTO-ACID GENERATOR
Publication number
20140357896
Publication date
Dec 4, 2014
SAN-APRO LTD.
Issei Suzuki
C07 - ORGANIC CHEMISTRY
Information
Patent Application
RESIST COMPOSITION, COMPOUND, POLYMERIC COMPOUND AND METHOD OF FORM...
Publication number
20140356787
Publication date
Dec 4, 2014
Tokyo Ohka Kogyo Co., Ltd.
Yoshitaka Komuro
C07 - ORGANIC CHEMISTRY