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Masakazu Nishiyama
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Yamaguchi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Polythiophene, water-soluble electrically conductive polymer using...
Patent number
9,718,905
Issue date
Aug 1, 2017
Tosoh Corporation
Hirokazu Yano
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Benzofluorene compound and use thereof
Patent number
8,993,805
Issue date
Mar 31, 2015
Tosoh Corporation
Masakazu Nishiyama
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Catalyst for producing arylamine and process for producing arylamin...
Patent number
7,803,953
Issue date
Sep 28, 2010
Tosoh Corporation
Takanori Miyazaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Triarylamine polymer, process for producing the same, and use thereof
Patent number
7,608,680
Issue date
Oct 27, 2009
Tosoh Corporation
Takao Suzuki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Amine compound having fluorene group as framework, process for prod...
Patent number
7,482,490
Issue date
Jan 27, 2009
Tosoh Corporation
Masakazu Nishiyama
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Arylamine derivatives having fluorene skeleton, synthetic intermedi...
Patent number
7,189,877
Issue date
Mar 13, 2007
Tosch Corporation
Masakazu Nishiyama
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Nitrogen-heterocyclic compound and process for production thereof
Patent number
6,346,621
Issue date
Feb 12, 2002
Tosoh Corporation
Makoto Watanabe
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polyaryleneamines and a process for their production
Patent number
6,034,206
Issue date
Mar 7, 2000
Tosoh Corporation
Toshihide Yamamoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing heterocyclic aromatic amine or arylamine
Patent number
5,929,281
Issue date
Jul 27, 1999
Tosoh Corporation
Masakazu Nishiyama
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
POLYTHIOPHENE, WATER-SOLUBLE ELECTRICALLY CONDUCTIVE POLYMER USING...
Publication number
20150337061
Publication date
Nov 26, 2015
TOSOH CORPORATION
Hirokazu YANO
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
BENZOFLUORENE COMPOUND AND USE THEREOF
Publication number
20090184312
Publication date
Jul 23, 2009
TOSOH CORPORATION
Masakazu Nishiyama
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Amine Compound Having Fluorene Group as Framework, Process for Prod...
Publication number
20080194878
Publication date
Aug 14, 2008
TOSOH CORPORATION
Masakazu Nishiyama
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Catalyst for producing arylamine and process for producing arylamin...
Publication number
20070282111
Publication date
Dec 6, 2007
TOSOH CORPORATION
Takanori Miyazaki
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Novel triarylamine polymer, process for producing the same, and use...
Publication number
20060241278
Publication date
Oct 26, 2006
TOSOH CORPORATION
Takao Suzuki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Pi-conjugated compound having cardo structure, process for preparin...
Publication number
20060186797
Publication date
Aug 24, 2006
TOSOH CORPORATION
Masakazu Nishiyama
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Novel triarylamine polymer, process for producing the same, and use...
Publication number
20060017040
Publication date
Jan 26, 2006
Takao Suzuki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Novel triarylamine polymer, process for producing the same, and use...
Publication number
20040262574
Publication date
Dec 30, 2004
Takao Suzuki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Novel arylamine derivatives having fluorene skeleton, synthetic int...
Publication number
20040110958
Publication date
Jun 10, 2004
TOSOH CORPORATION
Masakazu Nishiyama
C07 - ORGANIC CHEMISTRY