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Mitsuhisa Tamura
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Chiba, JP
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last 30 patents
Information
Patent Grant
Process for producing 1-hexene
Patent number
6,521,806
Issue date
Feb 18, 2003
Sumitomo Chemical Company, Limited
Mitsuhisa Tamura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Catalyst system and method for reaction of olefin
Patent number
6,127,301
Issue date
Oct 3, 2000
Sumitomo Chemical Company, Limited
Kiyoshi Iwanaga
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing ethylene-.alpha.-olefin copolymers
Patent number
5,856,610
Issue date
Jan 5, 1999
Sumitomo Chemical Company, Limited
Mitsuhisa Tamura
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process of making a catalyst for producing oxirane compounds
Patent number
5,840,650
Issue date
Nov 24, 1998
Sumitomo Chemical Company, Limited
Mitsuhisa Tamura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing olefin having a terminal double bond
Patent number
5,731,487
Issue date
Mar 24, 1998
Sumitomo Chemical Company, Limited
Mitsuhisa Tamura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing propylene oxide
Patent number
5,723,637
Issue date
Mar 3, 1998
Sumitomo Chemical Company, Limited
Junpei Tsuji
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing phenol and methyl ethyl ketone
Patent number
5,298,667
Issue date
Mar 29, 1994
Sumitomo Chemical Company, Limited
Kiyoshi Iwanaga
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for production of sec-butylbenzene
Patent number
5,059,736
Issue date
Oct 22, 1991
Sumitomo Chemical Co., Ltd.
Mitsuhisa Tamura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing allylic alcohols
Patent number
5,004,843
Issue date
Apr 2, 1991
Sumitomo Chemical Company, Limited
Mitsuhisa Tamura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing aliphatic alcohols
Patent number
4,595,701
Issue date
Jun 17, 1986
Agency of Industrial Science and Technology
Shuzo Nakamura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Preparation of 2-isopropenyl-or 2-isopropylidenyl-3-hexenoates from...
Patent number
4,547,586
Issue date
Oct 15, 1985
Sumitomo Chemical Company, Limited
Gohfu Suzukamo
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing nitriles
Patent number
4,456,562
Issue date
Jun 26, 1984
Sumitomo Chemical Company, Limited
Mitsuhisa Tamura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Substituted esters and alcohols
Patent number
4,438,286
Issue date
Mar 20, 1984
Sumitomo Chemical Company, Limited
Gohfu Suzukamo
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing 2-(2'-methyl-1'-propenyl)-4-methyltetrahydrop...
Patent number
4,340,544
Issue date
Jul 20, 1982
Sumitomo Chemical Company, Limited
Gohu Suzukamo
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Process for producing 2-(2'-methyl-1'-propenyl)-4-methyltetrahydrop...
Patent number
4,312,717
Issue date
Jan 26, 1982
Sumitomo Chemical Company, Limited
Gohu Suzukamo
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR