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Toshihide Yamamoto
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Yokkaichi-shi Mie, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Divalent phosphazenium salt and polyalkylene oxide composition cont...
Patent number
12,110,304
Issue date
Oct 8, 2024
Tosoh Corporation
Yoshiaki Inoue
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyalkylene glycol producing catalyst, and method for producing po...
Patent number
8,871,973
Issue date
Oct 28, 2014
Tosoh Corporation
Toshihide Yamamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Terphenylene derivative, tetrahaloterphenyl derivative, and process...
Patent number
7,985,885
Issue date
Jul 26, 2011
Tosoh Corporation
Makoto Watanabe
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Sulfur-containing cyclic olefin resin and its production method
Patent number
7,709,583
Issue date
May 4, 2010
Tosoh Corporation
Takashi Okada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Catalyst for trimerization of ethylene and process for trimerizing...
Patent number
7,368,516
Issue date
May 6, 2008
Tosoh Corporation
Toru Yoshida
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Catalyst for trimerization of ethylene and process for trimerizing...
Patent number
6,900,152
Issue date
May 31, 2005
Tosoh Corporation
Toru Yoshida
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
Catalyst for trimerization of ethylene and process for trimerizing...
Patent number
6,337,297
Issue date
Jan 8, 2002
Tosoh Corporation
Hideyuki Mimura
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-...
Patents Applications
last 30 patents
Information
Patent Application
DIVALENT PHOSPHAZENIUM SALT AND POLYALKYLENE OXIDE COMPOSITION CONT...
Publication number
20200392167
Publication date
Dec 17, 2020
TOSOH CORPORATION
Yoshiaki INOUE
C07 - ORGANIC CHEMISTRY
Information
Patent Application
POLYALKYLENE GLYCOL PRODUCING CATALYST, AND METHOD FOR PRODUCING PO...
Publication number
20110178338
Publication date
Jul 21, 2011
Toshihide Yamamoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
SULFUR-CONTAINING CYCLIC OLEFIN RESIN AND ITS PRODUCTION METHOD
Publication number
20090069503
Publication date
Mar 12, 2009
TOSOH CORPORATION
Takashi Okada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
TERPHENYLENE DERIVATIVE, TETRAHALOTERPHENYL DERIVATIVE, AND PROCESS...
Publication number
20090023957
Publication date
Jan 22, 2009
TOSOH CORPORATION
Makoto Watanabe
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Catalyst for trimerization of ethylene and process for trimerizing...
Publication number
20050187419
Publication date
Aug 25, 2005
TOSOH CORPORATION
Toru Yoshida
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Catalyst for trimerization of ethylene and process for trimerizing...
Publication number
20020035029
Publication date
Mar 21, 2002
TOSOH CORPORATION
Toru Yoshida
C07 - ORGANIC CHEMISTRY