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Naotaka Kubota
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Kawasaki-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Electro-optical device and electronic apparatus
Patent number
11,495,774
Issue date
Nov 8, 2022
Seiko Epson Corporation
Yoshitaka Hama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device, diagnostic test, and diagnostic test circuit
Patent number
10,520,549
Issue date
Dec 31, 2019
Renesas Electronics Corporation
Yukitoshi Tsuboi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Electro-optical device, method for manufacturing electro-optical de...
Patent number
10,403,687
Issue date
Sep 3, 2019
Seiko Epson Corporation
Suguru Akagawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electrooptical device, manufacturing method of electrooptical devic...
Patent number
10,347,698
Issue date
Jul 9, 2019
Seiko Epson Corporation
Naotaka Kubota
G02 - OPTICS
Information
Patent Grant
Electro-optical device, method for manufacturing electro-optical de...
Patent number
10,163,986
Issue date
Dec 25, 2018
Seiko Epson Corporation
Takefumi Fukagawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electro-optical device and electronic apparatus having an evaluatio...
Patent number
10,153,330
Issue date
Dec 11, 2018
Seiko Epson Corporation
Naotaka Kubota
G02 - OPTICS
Information
Patent Grant
Organic EL device, method of manufacturing organic EL device, and e...
Patent number
10,090,364
Issue date
Oct 2, 2018
Seiko Epson Corporation
Suguru Akagawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device, diagnostic test, and diagnostic test circuit
Patent number
9,810,738
Issue date
Nov 7, 2017
Renesas Electronics Corporation
Yukitoshi Tsuboi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Color filter substrate, electro-optical device, and projection-type...
Patent number
9,671,640
Issue date
Jun 6, 2017
Seiko Epson Corporation
Reiko Wachi
G02 - OPTICS
Information
Patent Grant
Light emitting element disposed in a display region of a substrate
Patent number
9,666,646
Issue date
May 30, 2017
Seiko Epson Corporation
Takashi Toya
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Color filter substrate, electro-optical device, and projection-type...
Patent number
9,618,786
Issue date
Apr 11, 2017
Seiko Epson Corporation
Reiko Wachi
G02 - OPTICS
Information
Patent Grant
Positive resist composition and method of forming resist pattern
Patent number
8,293,449
Issue date
Oct 23, 2012
Tokyo Ohka Kogyo Co., Ltd.
Takeshi Iwai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Polymer compound, photoresist composition including the polymer com...
Patent number
7,723,007
Issue date
May 25, 2010
Tokyo Ohka Kogyo Co., Ltd.
Toshiyuki Ogata
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Positive type resist composition and resist pattern formation metho...
Patent number
7,501,221
Issue date
Mar 10, 2009
Tokyo Ohka Kogyo Co., Ltd.
Takeshi Iwai
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Positive type resist composition and resist pattern formation metho...
Patent number
7,435,530
Issue date
Oct 14, 2008
Tokyo Ohka Kogyo Co., Ltd.
Takeshi Iwai
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Positive type resist composition and resist pattern formation metho...
Patent number
7,390,612
Issue date
Jun 24, 2008
Tokyo Ohka Kogyo Co., Ltd.
Takeshi Iwai
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Positive type resist composition and resist pattern formation metho...
Patent number
7,326,515
Issue date
Feb 5, 2008
Tokyo Ohka Kogyo Co., Ltd.
Takeshi Iwai
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Positive type resist composition and resist pattern formation metho...
Patent number
7,323,287
Issue date
Jan 29, 2008
Tokyo Ohka Kogyo Co., Ltd.
Takeshi Iwai
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Method of forming resist pattern, positive resist composition, and...
Patent number
7,316,885
Issue date
Jan 8, 2008
Tokyo Ohka Kogyo Co., Ltd.
Hideo Hada
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Positive type resist composition and resist pattern formation metho...
Patent number
7,316,888
Issue date
Jan 8, 2008
Tokyo Ohka Kogyo Co., Ltd.
Takeshi Iwai
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Positive type resist composition and resist pattern formation metho...
Patent number
7,316,889
Issue date
Jan 8, 2008
Tokyo Ohka Kogyo Co., Ltd.
Takeshi Iwai
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Liquid coating composition for forming a top antireflective film an...
Patent number
7,129,020
Issue date
Oct 31, 2006
Tokyo Ohka Kogyo Co., Ltd.
Kazumasa Wakiya
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Positive resist composition and method of forming resist pattern fr...
Patent number
7,074,543
Issue date
Jul 11, 2006
Tokyo Ohka Kogyo Co., Ltd.
Takeshi Iwai
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Multilayered body for photolithographic patterning
Patent number
7,033,731
Issue date
Apr 25, 2006
Tokyo Ohka Kogyo Co., Ltd.
Toshikazu Tachikawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Negative-working photoresist composition
Patent number
6,864,036
Issue date
Mar 8, 2005
Tokyo Ohka Kogyo Co., Ltd.
Toshikazu Tachikawa
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Multilayered body for photolithographic patterning
Patent number
6,455,228
Issue date
Sep 24, 2002
Tokyo Ohka Kogyo Co., Ltd.
Toshikazu Tachikawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Composition for lithographic anti-reflection coating, and resist la...
Patent number
6,416,930
Issue date
Jul 9, 2002
Tokyo Ohka Kogyo Co., Ltd.
Kazumasa Wakiya
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Negative-working photoresist composition
Patent number
6,406,829
Issue date
Jun 18, 2002
Tokyo Ohka Kogyo Co., Ltd.
Toshikazu Tachikawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
ELECTRO-OPTICAL DEVICE AND ELECTRONIC APPARATUS
Publication number
20210225959
Publication date
Jul 22, 2021
SEIKO EPSON CORPORATION
Yoshitaka HAMA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LIGHT-EMITTING DEVICE, AND ELECTRONIC APPARATUS
Publication number
20210028246
Publication date
Jan 28, 2021
SEIKO EPSON CORPORATION
Naotaka KUBOTA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ELECTROOPTICAL DEVICE, MANUFACTURING METHOD OF ELECTROOPTICAL DEVIC...
Publication number
20180277610
Publication date
Sep 27, 2018
SEIKO EPSON CORPORATION
Naotaka KUBOTA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ELECTRO-OPTICAL DEVICE, METHOD FOR MANUFACTURING ELECTRO-OPTICAL DE...
Publication number
20180138245
Publication date
May 17, 2018
SEIKO EPSON CORPORATION
Suguru AKAGAWA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ELECTRO-OPTICAL DEVICE, METHOD FOR MANUFACTURING ELECTRO-OPTICAL DE...
Publication number
20180138244
Publication date
May 17, 2018
SEIKO EPSON CORPORATION
Takefumi FUKAGAWA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE, DIAGNOSTIC TEST, AND DIAGNOSTIC TEST CIRCUIT
Publication number
20180080984
Publication date
Mar 22, 2018
RENESAS ELECTRONICS CORPORATION
Yukitoshi TSUBOI
G01 - MEASURING TESTING
Information
Patent Application
ELECTRO-OPTICAL DEVICE AND ELECTRONIC APPARATUS
Publication number
20170236879
Publication date
Aug 17, 2017
SEIKO EPSON CORPORATION
Naotaka KUBOTA
G02 - OPTICS
Information
Patent Application
ELECTRO-OPTICAL DEVICE AND ELECTRONIC APPARATUS
Publication number
20170236880
Publication date
Aug 17, 2017
SEIKO EPSON CORPORATION
Naotaka KUBOTA
G02 - OPTICS
Information
Patent Application
ORGANIC EL DEVICE, METHOD OF MANUFACTURING ORGANIC EL DEVICE, AND E...
Publication number
20170005144
Publication date
Jan 5, 2017
SEIKO EPSON CORPORATION
Suguru AKAGAWA
G02 - OPTICS
Information
Patent Application
COLOR FILTER SUBSTRATE, ELECTRO-OPTICAL DEVICE, AND PROJECTION-TYPE...
Publication number
20160170260
Publication date
Jun 16, 2016
SEIKO EPSON CORPORATION
Reiko Wachi
G02 - OPTICS
Information
Patent Application
SEMICONDUCTOR DEVICE, DIAGNOSTIC TEST, AND DIAGNOSTIC TEST CIRCUIT
Publication number
20150293173
Publication date
Oct 15, 2015
RENESAS ELECTRONICS CORPORATION
Yukitoshi TSUBOI
G01 - MEASURING TESTING
Information
Patent Application
LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS
Publication number
20150102376
Publication date
Apr 16, 2015
SEIKO EPSON CORPORATION
Takashi TOYA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Polymer Compound, Photoresist Composition Including the Polymer Com...
Publication number
20080166655
Publication date
Jul 10, 2008
Toshiyuki Ogata
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POSITIVE TYPE RESIST COMPOSITION AND RESIST PATTERN FORMATION METHO...
Publication number
20070190455
Publication date
Aug 16, 2007
Tokyo Ohka Kogyo Co., Ltd.
Takeshi Iwai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Method of forming resist pattern, positive resist composition, and...
Publication number
20060154181
Publication date
Jul 13, 2006
Hideo Hada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Positive type resist composition and resist pattern formation metho...
Publication number
20060134553
Publication date
Jun 22, 2006
Tokyo Ohka Kogyo Co., Ltd.
Takeshi Iwai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Positive type resist composition and resist pattern formation metho...
Publication number
20060134552
Publication date
Jun 22, 2006
Tokyo Ohka Kogyo Co., Ltd.
Takeshi Iwai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Positive type resist composition and resist pattern formation metho...
Publication number
20060127807
Publication date
Jun 15, 2006
Tokyo Ohka Kogyo Co., Ltd.
Takeshi Iwai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Method for forming resist pattern and resist pattern
Publication number
20060127799
Publication date
Jun 15, 2006
Naotaka Kubota
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Positive type resist composition and resist pattern formation metho...
Publication number
20060127806
Publication date
Jun 15, 2006
Tokyo Ohka Kogyo Co., Ltd.
Takeshi Iwai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Positive type resist composition and resist pattern formation metho...
Publication number
20060127808
Publication date
Jun 15, 2006
Tokyo Ohka Kogyo Co., Ltd.
Takeshi Iwai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Positive resist composition
Publication number
20060063102
Publication date
Mar 23, 2006
Tokyo Ohka Kogyo Co., Ltd.
Naotaka Kubota
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Method of producing (meth) acrylic acid derivative polymer for resist
Publication number
20060009583
Publication date
Jan 12, 2006
Naotaka Kubota
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Positive type resist composition and resist pattern formation metho...
Publication number
20050095535
Publication date
May 5, 2005
Takeshi Iwai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Multilayered body for photolithographic patterning
Publication number
20050008972
Publication date
Jan 13, 2005
Toshikazu Tachikawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Positive resist composition and method of forming resist pattern fr...
Publication number
20040110085
Publication date
Jun 10, 2004
Takeshi Iwai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Positive resist composition and method of forming resist pattern
Publication number
20040058270
Publication date
Mar 25, 2004
Takeshi Iwai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Liquid coating composition for forming a top antireflective film an...
Publication number
20030219682
Publication date
Nov 27, 2003
Kazumasa Wakiya
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Multilayered body for photolithographic patterning
Publication number
20020146645
Publication date
Oct 10, 2002
Toshikazu Tachikawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Negative-working photoresist composition
Publication number
20020061467
Publication date
May 23, 2002
Toshikazu Tachikawa
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC