Takashi Okawa

Person

Niigata-ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Process for producing heterocyclic nitriles
- Patent number 6,541,632
- Issue date Apr 1, 2003
- Mitsubishi Gas Chemical Company, Inc.
- Hideaki Ogino
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing carbocyclic nitriles
- Patent number 6,429,330
- Issue date Aug 6, 2002
- Mitsubishi Gas Chemical Company, Inc.
- Hideaki Ogino
- 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
Information Patent Grant
Method of producing isobutylene glycol
- Patent number 6,194,618
- Issue date Feb 27, 2001
- Mitsubishi Gas Chemical Company, Inc.
- Takashi Okawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing nitrile compound and catalyst used therefor
- Patent number 6,107,510
- Issue date Aug 22, 2000
- Mitsubishi Gas Chemical Company, Inc.
- Shuji Ebata
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing trans 1,4-bis(aminomethyl)cyclohexane
- Patent number 5,969,187
- Issue date Oct 19, 1999
- Mitsubishi Gas Chemical Company, Inc.
- Takashi Okawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing isocyanates
- Patent number 5,502,244
- Issue date Mar 26, 1996
- Mitsubishi Gas Chemical Company, Inc.
- Takashi Okawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method and apparatus for the production of alkylene carbonate
- Patent number 5,440,004
- Issue date Aug 8, 1995
- Mitsubishi Gas Chemical Company, Inc.
- Masaharu Doya
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing urethane compound
- Patent number 5,391,805
- Issue date Feb 21, 1995
- Mitsubishi Gas Chemical Company Inc.
- Tomoo Tsujimoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing xylylene diisocyanate
- Patent number 5,196,572
- Issue date Mar 23, 1993
- Mitsubishi Gas Chemical Company, Inc.
- Takashi Okawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing isocyanate compound
- Patent number 5,166,414
- Issue date Nov 24, 1992
- Mitsubishi Gas Chemical Company, Inc.
- Takashi Okawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing a urethane and a carbonic acid ester
- Patent number 4,976,679
- Issue date Dec 11, 1990
- Takashi Okawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing ethanol
- Patent number 4,678,858
- Issue date Jul 7, 1987
- Agency of Industrial Science and Technology
- Nobuo Isogai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing ethanol
- Patent number 4,650,911
- Issue date Mar 17, 1987
- S. Ishizaka, President of Agency of Industrial Science and Technology
- Nobuo Isogai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing ethanol
- Patent number 4,605,796
- Issue date Aug 12, 1986
- Agency of Industrial Science and Technology
- Nobuo Isogai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparation of ethanol
- Patent number 4,552,986
- Issue date Nov 12, 1985
- Mitsubishi Gas Chemical Company, Inc.
- Nobuo Isogai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing ethanol
- Patent number 4,451,678
- Issue date May 29, 1984
- Agency of Industrial Science and Technology
- Nobuo Isogai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing ethanol
- Patent number 4,423,257
- Issue date Dec 27, 1983
- Seiichi Ishizaka, President of Agency of Industrial Science and Technology
- Nobuo Isogai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing ethanol
- Patent number 4,423,258
- Issue date Dec 27, 1983
- Agency of Industrial Science and Technology
- Nobuo Ishogai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing acetaldehyde
- Patent number 4,408,080
- Issue date Oct 4, 1983
- Mitsubishi Gas Chemical Company, Inc.
- Nobuo Isogai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing adipic acid diester
- Patent number 4,404,394
- Issue date Sep 13, 1983
- Mitsubishi Gas Chemical Company, Inc.
- Nobuo Isogai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of alkyl carboxylate
- Patent number 4,355,173
- Issue date Oct 19, 1982
- Mitsubishi Gas Chemical Company, Inc.
- Nobuo Isogai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Recovery of cobalt component from 3-pentenoic ester synthesis
- Patent number 4,350,668
- Issue date Sep 21, 1982
- Mitsubishi Gas Chemical Company, Inc.
- Nobuo Isogai
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for producing 2-pentenoic esters
- Patent number 4,339,597
- Issue date Jul 13, 1982
- Mitsubishi Gas Chemical Company, Inc.
- Nobuo Isogai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing 3-pentenoic esters
- Patent number 4,332,966
- Issue date Jun 1, 1982
- Mitsubishi Gas Chemical Company, Inc.
- Nobuo Isogai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing 2-pentenoic ester
- Patent number 4,327,225
- Issue date Apr 27, 1982
- Mitsubishi Gas Chemical Co., Inc.
- Nobuo Isogai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing ethanol
- Patent number 4,304,946
- Issue date Dec 8, 1981
- Mitsubishi Gas Chemical Company, Inc.
- Nobuo Isogai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing methylisobutylketone
- Patent number 4,289,911
- Issue date Sep 15, 1981
- Mitsubishi Gas Chemical Company, Inc.
- Nobuo Isogai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for simultaneously producing p-toluic acid and alkylene oxide
- Patent number 4,243,599
- Issue date Jan 6, 1981
- Mitsubishi Gas Chemical Company, Inc.
- Nobuo Isogai
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Process for producing aromatic nitriles and heterocyclic nitriles
- Publication number 20020151719
- Publication date Oct 17, 2002
- Hideaki Ogino
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for producing nitrile compounds
- Publication number 20010007039
- Publication date Jul 5, 2001
- Takuji Shitara
- C07 - ORGANIC CHEMISTRY

Takashi Okawa

Person

Patents Grantslast 30 patents

Process for producing heterocyclic nitriles

Process for producing carbocyclic nitriles

Process for producing nitrile compounds

Method of producing isobutylene glycol

Process for producing nitrile compound and catalyst used therefor

Process for producing trans 1,4-bis(aminomethyl)cyclohexane

Process for producing isocyanates

Method and apparatus for the production of alkylene carbonate

Process for producing urethane compound

Process for producing xylylene diisocyanate

Process for producing isocyanate compound

Process for producing a urethane and a carbonic acid ester

Process for producing ethanol

Process for producing ethanol

Process for producing ethanol

Process for preparation of ethanol

Process for producing ethanol

Process for producing ethanol

Process for producing ethanol

Process for producing acetaldehyde

Process for producing adipic acid diester

Process for the preparation of alkyl carboxylate

Recovery of cobalt component from 3-pentenoic ester synthesis

Process for producing 2-pentenoic esters

Process for producing 3-pentenoic esters

Process for producing 2-pentenoic ester

Process for producing ethanol

Process for producing methylisobutylketone

Process for simultaneously producing p-toluic acid and alkylene oxide

Patents Applicationslast 30 patents

Process for producing aromatic nitriles and heterocyclic nitriles

Process for producing nitrile compounds