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Shuji Tanaka
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Ube-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Process for preparing diaryl oxalate
Patent number
9,174,918
Issue date
Nov 3, 2015
UBE Industries, Ltd.
Shuji Tanaka
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing alkyl nitrite
Patent number
7,714,160
Issue date
May 11, 2010
Ube Industries, Ltd.
Ryoji Sugise
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparation of cyclododecanone
Patent number
6,861,563
Issue date
Mar 1, 2005
Ube Industries, Ltd.
Ryoji Sugise
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing alkyl nitrite
Patent number
6,844,464
Issue date
Jan 18, 2005
Ube Industries, Ltd.
Ryoji Sugise
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing polycarbonate
Patent number
6,740,729
Issue date
May 25, 2004
Ube Industries, Ltd.
Shuji Tanaka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method of refining dihydroxyaryl compound
Patent number
6,554,967
Issue date
Apr 29, 2003
Ube Industries, Ltd.
Shuji Tanaka
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of continuously producing a cyclododecanone compound
Patent number
6,518,461
Issue date
Feb 11, 2003
Ube Industries, Ltd.
Ryoji Sugise
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Diaryl carbonate product and production of polycarbonate
Patent number
6,472,498
Issue date
Oct 29, 2002
Ube Industries, Ltd.
Ryoji Sugise
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for continuously producing a cyclododecanone compound
Patent number
6,417,404
Issue date
Jul 9, 2002
Ube Industries Ltd.
Ryoji Sugise
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method and producing cyclododecanone compound
Patent number
6,388,140
Issue date
May 14, 2002
Ube Industries, Ltd.
Ryoji Sugise
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing alkyl nitrite
Patent number
6,191,302
Issue date
Feb 20, 2001
Ube Industries, Ltd.
Keigo Nishihira
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing a diaryl oxalate
Patent number
6,018,072
Issue date
Jan 25, 2000
UBE Industries, Ltd.
Keigo Nishihira
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing a polycarbonate
Patent number
5,922,827
Issue date
Jul 13, 1999
UBE Industries, Ltd.
Keigo Nishihira
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Catalyst for decarbonylation reaction
Patent number
5,892,091
Issue date
Apr 6, 1999
Ube Industries, Ltd.
Katsumasa Harada
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing diaryl carbonate
Patent number
5,892,089
Issue date
Apr 6, 1999
Ube Industries, Ltd.
Katsumasa Harada
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of producing an ester compound
Patent number
5,869,729
Issue date
Feb 9, 1999
UBE Industries, Ltd.
Keigo Nishihira
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing diaryl carbonate
Patent number
5,834,615
Issue date
Nov 10, 1998
UBE Industries, Ltd.
Keigo Nishihira
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing a diaryl carnonate
Patent number
5,811,573
Issue date
Sep 22, 1998
UBE Industries, Ltd.
Keigo Nishihira
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing a diaryl carbonate
Patent number
5,731,453
Issue date
Mar 24, 1998
UBE Industries, Ltd.
Keigo Nishihira
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Diphenyl oxalate-phenol adduct, process for producing the adduct an...
Patent number
5,705,677
Issue date
Jan 6, 1998
UBE Industries, Ltd.
Keigo Nishihira
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Electrolyte for lithium secondary battery
Patent number
5,681,669
Issue date
Oct 28, 1997
UBE Industries, Ltd.
Masaki Yoshio
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process for preparation of diaryl carbonate
Patent number
5,648,510
Issue date
Jul 15, 1997
Ube Industries, Ltd.
Katsumasa Harada
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for continuously producing dimethyl carbonate
Patent number
5,631,396
Issue date
May 20, 1997
Ube Industries, Ltd.
Keigo Nishihira
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for continuously producing dimethyl carbonate
Patent number
5,534,648
Issue date
Jul 9, 1996
Ube Industries, Ltd.
Keigo Nishihira
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for continuously producing dimethyl carbonate
Patent number
5,514,829
Issue date
May 7, 1996
Ube Industries, Ltd.
Keigo Nishihira
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing carbamates
Patent number
5,463,109
Issue date
Oct 31, 1995
Ube Industries, Ltd.
Keigo Nishihira
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing carbonic diester
Patent number
5,380,906
Issue date
Jan 10, 1995
Ube Industries, Ltd.
Keigo Nishihira
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of producing an N-hydroxycarbamate compound
Patent number
5,315,032
Issue date
May 24, 1994
Ube Industries, Ltd.
Keigo Nishihira
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for purifying dimethyl carbonate
Patent number
5,292,917
Issue date
Mar 8, 1994
Ube Industries, Ltd.
Keigo Nishihira
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of preparing sodium formyl acetone and 4,4-dimethoxy-2-butanone
Patent number
5,276,200
Issue date
Jan 4, 1994
Ube Industries, Ltd.
Keigo Nishihira
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
PROCESS FOR PREPARING DIARYL OXALATE
Publication number
20120296063
Publication date
Nov 22, 2012
Shuji Tanaka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Process for producing alkyl nitrite
Publication number
20050038282
Publication date
Feb 17, 2005
Ube Industries, Ltd.
Ryoji Sugise
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for preparation of cyclododecanone
Publication number
20040181096
Publication date
Sep 16, 2004
Ryoji Sugise
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for producing alkyl nitrite
Publication number
20030176724
Publication date
Sep 18, 2003
Ube Industries, Ltd.
Ryoji Sugise
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for continuously producing a cyclododecanone compound
Publication number
20020099242
Publication date
Jul 25, 2002
Ube Industries, Ltd.
Ryoji Sugise
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Method of continuously producing a cyclododecanone compound
Publication number
20020077509
Publication date
Jun 20, 2002
Ube Industries, Ltd.
Ryoji Sugise
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Diaryl carbonate product and production of polycarbonate
Publication number
20020019512
Publication date
Feb 14, 2002
Ube Industries, Ltd.
Ryoji Sugise
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Method and producing cyclododecanone compound
Publication number
20010023071
Publication date
Sep 20, 2001
Ube Industries, Ltd.
Ryoji Sugise
C07 - ORGANIC CHEMISTRY