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Takuji Shitara
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Niigata, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method of recovering ammonia
Patent number
7,785,556
Issue date
Aug 31, 2010
Mitsubishi Gas Chemical Company, Inc.
Kazuhiko Amakawa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Reactor for producing a nitrile compound and method for operating t...
Patent number
7,371,882
Issue date
May 13, 2008
Mitsubishi Gas Chemical Company, Inc.
Shuichi Ueno
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Process for producing a nitrile compound
Patent number
7,307,181
Issue date
Dec 11, 2007
Mitsubishi Gas Chemical Company, Inc.
Kenichi Nakamura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing a polynitrile compound
Patent number
7,161,021
Issue date
Jan 9, 2007
Mitsubishi Gas Chemical Company, Inc.
Kenichi Nakamura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for production of xylylenediamine and/or cyanobenzylamine
Patent number
7,119,230
Issue date
Oct 10, 2006
Mitsubishi Gas Chemical Co., Inc.
Kazuhiko Amakawa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for producing high purity xylylenediamine
Patent number
6,646,163
Issue date
Nov 11, 2003
Mitsubishi Gas Chemical Company, Inc.
Kenichi Nakamura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of purifying isophthalonitrile
Patent number
6,509,490
Issue date
Jan 21, 2003
Mitsubishi Gas Chemical Co INC
Susumu Otsuka
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for producing xylylenediamine
Patent number
6,476,269
Issue date
Nov 5, 2002
Mitsubishi Gas Chemical Co INC
Kenichi Nakamura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing nitrile compounds
Patent number
6,284,893
Issue date
Sep 4, 2001
Mitsubishi Gas Chemical Company, Inc.
Takuji Shitara
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
Method of Recovering Ammonia
Publication number
20080102014
Publication date
May 1, 2008
Kazuhiko Amakawa
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Reactor for producing a nitrile compound and method for operating t...
Publication number
20050054855
Publication date
Mar 10, 2005
Shuichi Ueno
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for producing a nitrile compound
Publication number
20050014944
Publication date
Jan 20, 2005
Kenichi Nakamura
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Reactor for producing a nitrile compound and method for operating t...
Publication number
20040005254
Publication date
Jan 8, 2004
Shuichi Ueno
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for production of xylylenediamine and/or cyanobenzylamine
Publication number
20040002614
Publication date
Jan 1, 2004
Kazuhiko Amakawa
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for producing a nitrile compound
Publication number
20030114702
Publication date
Jun 19, 2003
Kenichi Nakamura
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for producing a polynitrile compound
Publication number
20030114701
Publication date
Jun 19, 2003
Kenichi Nakamura
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Method for producing high purity xylylenediamine
Publication number
20030013917
Publication date
Jan 16, 2003
Kenichi Nakamura
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Method for producing xylylenediamine
Publication number
20020038054
Publication date
Mar 28, 2002
Kenichi Nakamura
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Method of purifying isophthalonitrile
Publication number
20020035287
Publication date
Mar 21, 2002
Susumu Otsuka
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for producing nitrile compounds
Publication number
20010007039
Publication date
Jul 5, 2001
Takuji Shitara
C07 - ORGANIC CHEMISTRY