Hiroshi Ogawa

Person

Okayama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method of purifying 2,7-dimethylnaphthalene
- Patent number 8,124,825
- Issue date Feb 28, 2012
- Mitsubishi Gas Chemical Company, Inc.
- Shinichi Nagao
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of separating dimethylnaphthalene isomers
- Patent number 7,576,253
- Issue date Aug 18, 2009
- Mitsubishi Gas Chemical Company, Inc.
- Shinichi Nagao
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production method of highly pure pyromellitic dianhydride
- Patent number 7,569,707
- Issue date Aug 4, 2009
- Mitsubishi Gas Chemical Company, Inc.
- Hiroshi Ogawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing pyromellitic acid
- Patent number 7,534,912
- Issue date May 19, 2009
- Mitsubishi Gas Chemical Company, Inc.
- Shinichi Nagao
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production method of pyromellitic acid and pyromellitic anhydride
- Patent number 7,202,380
- Issue date Apr 10, 2007
- Mitsubishi Gas Chemical Company, Inc.
- Tatsuyuki Kumano
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing pyromellitic acid
- Patent number 6,888,023
- Issue date May 3, 2005
- Mitsubishi Gas Chemical Company, Inc.
- Kazuo Tanaka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing trimellitic acid
- Patent number 6,835,852
- Issue date Dec 28, 2004
- Mitsubishi Gas Chemical Company, Inc.
- Shinichi Nagao
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing ε-caprolactone
- Patent number 6,472,540
- Issue date Oct 29, 2002
- Mitsubishi Gas Chemical Company, Inc.
- Kazuo Tanaka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing aromatic polycarboxylic acid
- Patent number 6,458,994
- Issue date Oct 1, 2002
- Mitsubishi Gas Chemical Company, Inc.
- Atsushi Okoshi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing trimellitic anhydride
- Patent number 6,410,753
- Issue date Jun 25, 2002
- Mitsubishi Gas Chemical Company, Inc.
- Kazuo Tanaka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing 2,6-naphthalenedicarboxylic acid
- Patent number 6,018,077
- Issue date Jan 25, 2000
- Mitsubishi Gas Chemical Company, Inc.
- Fumio Ohkoshi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing purified .epsilon.-caprolactone
- Patent number 5,994,565
- Issue date Nov 30, 1999
- Mitsubishi Gas Chemical Company, Inc.
- Kazuo Tanaka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of trimellitic acid and process for the...
- Patent number 5,895,820
- Issue date Apr 20, 1999
- Mitsubishi Gas Chemical Company, Inc.
- Kazuo Tanaka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing carboxylated compound
- Patent number 5,310,944
- Issue date May 10, 1994
- Mitsubishi Gas Chemical Company, Inc.
- Takao Kawaki
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Method of Purifying 2,7-Dimethylnaphthalene
- Publication number 20100113853
- Publication date May 6, 2010
- Shinichi Nagao
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method Of Separating Dimethylnaphthalene Isomers
- Publication number 20080125615
- Publication date May 29, 2008
- Shinichi Nagao
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Production method of highly pure pyromellitic dianhydride
- Publication number 20070021622
- Publication date Jan 25, 2007
- Hiroshi Ogawa
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for producing 1,3-naphthalenedicarboxylic acid
- Publication number 20050187403
- Publication date Aug 25, 2005
- Hiroshi Ogawa
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for producing pyromellitic acid
- Publication number 20050085663
- Publication date Apr 21, 2005
- MITSUBISHI GAS CHEMICAL COMPANY, INC.
- Shinichi Nagao
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Production method of pyromellitic acid and pyromellitic anhydride
- Publication number 20040143135
- Publication date Jul 22, 2004
- Tatsuyuki Kumano
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for producing trimellitic acid
- Publication number 20040054219
- Publication date Mar 18, 2004
- MITSUBISHI GAS CHEMICAL COMPANY, INC.
- Shinichi Nagao
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for producing pyromellitic acid
- Publication number 20030208091
- Publication date Nov 6, 2003
- Kazuo Tanaka
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for producing pyromellitic acid
- Publication number 20020151745
- Publication date Oct 17, 2002
- Kazuo Tanaka
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for producing aromatic polycarboxylic acid
- Publication number 20020016501
- Publication date Feb 7, 2002
- Mitsubishi Gas Chemical Company, Inc.
- Atsushi Okoshi
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for producing trimellitic anhydride
- Publication number 20020010346
- Publication date Jan 24, 2002
- Mitsubishi Gas Chemical Company, Inc.
- Kazuo Tanaka
- C07 - ORGANIC CHEMISTRY

Hiroshi Ogawa

Person

Patents Grantslast 30 patents

Method of purifying 2,7-dimethylnaphthalene

Method of separating dimethylnaphthalene isomers

Production method of highly pure pyromellitic dianhydride

Process for producing pyromellitic acid

Production method of pyromellitic acid and pyromellitic anhydride

Process for producing pyromellitic acid

Process for producing trimellitic acid

Process for producing &#x03B5;-caprolactone

Process for producing aromatic polycarboxylic acid

Process for producing trimellitic anhydride

Process for producing 2,6-naphthalenedicarboxylic acid

Process for producing purified .epsilon.-caprolactone

Process for the production of trimellitic acid and process for the...

Process for producing carboxylated compound

Patents Applicationslast 30 patents

Method of Purifying 2,7-Dimethylnaphthalene

Method Of Separating Dimethylnaphthalene Isomers

Production method of highly pure pyromellitic dianhydride

Process for producing 1,3-naphthalenedicarboxylic acid

Process for producing pyromellitic acid

Production method of pyromellitic acid and pyromellitic anhydride

Process for producing trimellitic acid

Process for producing pyromellitic acid

Process for producing pyromellitic acid

Process for producing aromatic polycarboxylic acid

Process for producing trimellitic anhydride

Process for producing ε-caprolactone