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Tomiya Isshiki
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Tokyo, JP
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last 30 patents
Information
Patent Grant
Process for producing acetic acid
Patent number
5,344,972
Issue date
Sep 6, 1994
Mitsubishi Gas Chemical Company, Inc.
Tomiya Isshiki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing vinyl acetate
Patent number
4,978,778
Issue date
Dec 18, 1990
Mitsubishi Gas Chemical Company, Inc.
Tomiya Isshiki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing vinyl acetate
Patent number
4,843,170
Issue date
Jun 27, 1989
Mitsubishi Gas Chemical Company, Inc.
Tomiya Isshiki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of 2,3,5-trimethylbenzoquinone
Patent number
4,828,762
Issue date
May 9, 1989
Mitsubishi Gas Chemical Company, Inc.
Tomiya Isshiki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing ethylidenediacetate
Patent number
4,659,865
Issue date
Apr 21, 1987
Mitsubishi Gas Chemical Co., Inc.
Tomiya Isshiki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing carboxylic acids
Patent number
4,620,033
Issue date
Oct 28, 1986
Mitsubishi Gas Chemical Company, Inc.
Tomiya Isshiki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing acetic anhydride
Patent number
4,556,519
Issue date
Dec 3, 1985
Mitsubishi Gas Chemical Company, Inc.
Tomiya Isshiki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing acetic anhydride
Patent number
4,544,511
Issue date
Oct 1, 1985
Mitsubishi Gas Chemical Company, Inc.
Tomiya Isshiki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing vinyl acetate
Patent number
4,517,377
Issue date
May 14, 1985
Mitsubishi Gas Chemical Company, Inc.
Tomiya Isshiki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for recovering a reaction product while preventing decompos...
Patent number
4,381,221
Issue date
Apr 26, 1983
Mitsubishi Gas Chemical Company, Inc.
Tomiya Isshiki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing benzophenone-azines
Patent number
4,347,383
Issue date
Aug 31, 1982
Mitsubishi Gas Chemical Company, Inc.
Tomiya Isshiki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing carboxylic acids and/or esters thereof
Patent number
4,336,399
Issue date
Jun 22, 1982
Mitsubishi Gas Chemical Company, Inc.
Tomiya Isshiki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing carboxylic acid anhydrides
Patent number
4,239,698
Issue date
Dec 16, 1980
Mitsubishi Gas Chemical Company, Inc.
Tomiya Isshiki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing hydrazine sulfate
Patent number
4,239,741
Issue date
Dec 16, 1980
Mitsubishi Gas Chemical Company, Inc.
Tomiya Isshiki
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for producing aliphatic carboxylic acids and aliphatic carb...
Patent number
4,234,733
Issue date
Nov 18, 1980
Mitsubishi Gas Chemical Company, Inc.
Tomiya Isshiki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing carboxylic acids or esters thereof
Patent number
4,212,989
Issue date
Jul 15, 1980
Mitsubishi Gas Chemical Company, Inc.
Tomiya Isshiki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing imine compounds
Patent number
4,130,586
Issue date
Dec 19, 1978
Mitsubishi Gas Chemical Company, Inc.
Tomiya Isshiki