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Yuichi Sadamitsu
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Organic semiconductor composition, organic thin film, and organic t...
Patent number
11,495,744
Issue date
Nov 8, 2022
Nippon Kayaku Kabushiki Kaisha
Nozomi Onodera
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Dibenzopyrromethene boron chelate compound, near-infrared light-abs...
Patent number
10,749,116
Issue date
Aug 18, 2020
Nippon Kayaku Kabushiki Kaisha
Tatsuya Aotake
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Condensed polycyclic aromatic compound and use thereof
Patent number
9,859,508
Issue date
Jan 2, 2018
Nippon Kayaku Kabushiki Kaisha
Kazuo Takimiya
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Fused polycyclic aromatic compounds, organic semiconductor material...
Patent number
9,564,604
Issue date
Feb 7, 2017
Nippon Kayaku Kabushiki Kaisha
Kazuo Takimiya
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Azo compounds, and dye-based polarizing films and polarizing plates...
Patent number
9,354,371
Issue date
May 31, 2016
Nippon Kayaku Kabushiki Kaisha
Takuto Nishiguchi
B32 - LAYERED PRODUCTS
Information
Patent Grant
Method for producing aromatic compound
Patent number
9,260,451
Issue date
Feb 16, 2016
Nippon Kayaku Kabushiki Kaisha
Kazuo Takimiya
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Azo compound and salt thereof, and dye-containing polarizing film c...
Patent number
9,213,130
Issue date
Dec 15, 2015
Nippon Kayaku Kabushiki Kaisha
Yuichi Sadamitsu
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Heterocyclic dinaphtho thieno thiophene (DNTT) compounds for use as...
Patent number
9,018,630
Issue date
Apr 28, 2015
Nippon Kayaku Kabushiki Kaisha
Kazuo Takimiya
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Azo compound and dye polarizing film containing the same
Patent number
8,940,059
Issue date
Jan 27, 2015
Nippon Kayaku Kabushiki Kaisha
Yuichi Sadamitsu
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Azo compound and salt thereof, and dye-containing polarizing film c...
Patent number
8,771,378
Issue date
Jul 8, 2014
Nippon Kayaku Kabushiki Kaisha
Yuichi Sadamitsu
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Azo compound and salt thereof, and dye-containing polarizing film c...
Patent number
8,643,809
Issue date
Feb 4, 2014
Nippon Kayaku Kabushiki Kaisha
Yuichi Sadamitsu
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Azo compound and salts thereof, as well as dye-based polarization f...
Patent number
8,477,268
Issue date
Jul 2, 2013
Nippon Kayaku Kabushiki Kaisha
Takuto Nishiguchi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Azo compound and dye polarizing film containing the same
Patent number
8,389,122
Issue date
Mar 5, 2013
Nippon Kayaku Kabushiki Kaisha
Yuichi Sadamitsu
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Azo compound and dye polarizing film containing the same
Patent number
8,389,124
Issue date
Mar 5, 2013
Nippon Kayaku Kabushiki Kaisha
Yuichi Sadamitsu
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Azo compound, and dye-containing polarizing film comprising the same
Patent number
8,232,375
Issue date
Jul 31, 2012
Nippon Kayaku Kabushiki Kaisha
Takahiro Higeta
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Azo compound and salt thereof, and dye-containing polarizing film c...
Patent number
7,931,702
Issue date
Apr 26, 2011
Nippon Kayaku Kabushiki Kaisha
Yuichi Sadamitsu
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Azo compound and polarizing film and polarizing plate each containi...
Patent number
7,514,129
Issue date
Apr 7, 2009
Nippon Kayaku Kabushiki Kaisha
Yuichi Sadamitsu
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Azo compounds and dye-type polarizing films or plates containing th...
Patent number
7,445,822
Issue date
Nov 4, 2008
Nippon Kayaku Kabushiki Kaisha
Yuichi Sadamitsu
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Azo compound and salt thereof
Patent number
7,304,147
Issue date
Dec 4, 2007
Nippon Kayaku Kabushiki Kaisha
Yuichi Sadamitsu
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Patents Applications
last 30 patents
Information
Patent Application
Dibenzopyrromethene Boron Chelate Compound, Near-Infrared Light-Abs...
Publication number
20200243774
Publication date
Jul 30, 2020
Nippon Kayaku Kabushiki-Kaisha
Tatsuya Aotake
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Organic Semiconductor Composition, Organic Thin Film, and Organic T...
Publication number
20200136061
Publication date
Apr 30, 2020
Nippon Kayaku Kabushiki-Kaisha
Nozomi Onodera
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Dibenzopyrromethene Boron Chelate Compound, Near-Infrared Light Abs...
Publication number
20190270758
Publication date
Sep 5, 2019
Nippon Kayaku Kabushiki-Kaisha
Toshifumi Inouchi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Organic Compound, Organic Semiconductor Material, Organic Thin Film...
Publication number
20180062087
Publication date
Mar 1, 2018
NIPPON KAYAKU KABUSHIKI KAISHA
Masahiro Hamada
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Novel Condensed Polycyclic Aromatic Compound And Use Thereof
Publication number
20160013428
Publication date
Jan 14, 2016
Nippon Kayaku Kabushiki-Kaisha
Kazuo Takimiya
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Novel Condensed Polycyclic Aromatic Compound And Use Thereof
Publication number
20150303383
Publication date
Oct 22, 2015
Nippon Kayaku Kabushiki-Kaisha
Kazuo Takimiya
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Method For Producing Aromatic Compound
Publication number
20150239901
Publication date
Aug 27, 2015
Nippon Kayaku Kabushiki-Kaisha
Kazuo Takimiya
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Azo Compound And Salt Thereof, And Dye-Containing Polarizing Film C...
Publication number
20140029099
Publication date
Jan 30, 2014
POLATECHNO CO., LTD.
Yuichi Sadamitsu
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Novel Heterocyclic Compound, Method For Producing Intermediate Ther...
Publication number
20130330876
Publication date
Dec 12, 2013
Nippon Kayaku Kabushiki-Kaisha
Kazuo Takimiya
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Organic Semiconductor Material, Organic Semiconductor Composition,...
Publication number
20120313086
Publication date
Dec 13, 2012
NIPPON KAYAKU KABUSHIKI KAISHA
Yuichi Sadamitsu
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Azo Compound And Dye Polarizing Film Containing The Same
Publication number
20110267691
Publication date
Nov 3, 2011
POLATECHNO CO., LTD.
Yuichi Sadamitsu
G02 - OPTICS
Information
Patent Application
Azo Compound And Salts Thereof, As Well As Dye-Based Polarization F...
Publication number
20110164208
Publication date
Jul 7, 2011
NIPPON KAYAKU KABUSHIKI KAISHA
Takuto Nishiguchi
G02 - OPTICS
Information
Patent Application
Azo Compound And Dye Polarizing Film Containing The Same
Publication number
20110089383
Publication date
Apr 21, 2011
Nippon Kayaku Kabushiki-Kaisha
Yuichi Sadamitsu
G02 - OPTICS
Information
Patent Application
Azo Compounds, And Dye-Based Polarizing Films And Polarizing Plates...
Publication number
20110075076
Publication date
Mar 31, 2011
NIPPON KAYAKU KABUSHIKI KAISHA
Takuto Nishiguchi
G02 - OPTICS
Information
Patent Application
Azo Compound And Salt Thereof, And Dye-Containing Polarizing Film C...
Publication number
20110063546
Publication date
Mar 17, 2011
Nippon Kayaku Kabushiki-Kaisha
Yuichi Sadamitsu
G02 - OPTICS
Information
Patent Application
Azo Compound And Salt Thereof, And Dye-Containing Polarizing Film C...
Publication number
20110060134
Publication date
Mar 10, 2011
Nippon Kayaku Kabushiki-Kaisha
Yuichi Sadamitsu
G02 - OPTICS
Information
Patent Application
Azo compound and dye polarizing film containing the same
Publication number
20100257678
Publication date
Oct 14, 2010
Yuichi Sadamitsu
G02 - OPTICS
Information
Patent Application
Azo Compound, And Dye-Containing Polarizing Film Comprising The Same
Publication number
20100226008
Publication date
Sep 9, 2010
NIPPON KAYAKU KABUSHIKI KAISHA
Takahiro Higeta
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Azo compound and dye polarizing film containing the same
Publication number
20090174942
Publication date
Jul 9, 2009
Yuichi Sadamitsu
G02 - OPTICS
Information
Patent Application
Azo compound and salt thereof, and dye-containing polarizing film c...
Publication number
20090126127
Publication date
May 21, 2009
Yuichi Sadamitsu
G02 - OPTICS
Information
Patent Application
Azo Compounds And Dye-Type Polarizing Films Or Plates Containing Th...
Publication number
20080094549
Publication date
Apr 24, 2008
Yuichi Sadamitsu
G02 - OPTICS
Information
Patent Application
Azo compound and polarizing film and polarizing plate each containi...
Publication number
20070166483
Publication date
Jul 19, 2007
Yuichi Sadamitsu
G02 - OPTICS
Information
Patent Application
Azo compound and salt thereof
Publication number
20070079740
Publication date
Apr 12, 2007
Nippon Kayaku Kabushiki-Kaisha
Yuichi Sadamitsu
G02 - OPTICS