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Hiroshi Yoshida
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Ichihara, JP
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last 30 patents
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Patent Grant
4-fluoro-3-oxocarboxylic esters and process for producing the same
Patent number
6,593,488
Issue date
Jul 15, 2003
Ube Industries, Ltd.
Hiroshi Yoshida
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
6-(1-fluoroalkyl)-4-pyrimidones and processes for producing the same
Patent number
6,340,757
Issue date
Jan 22, 2002
Ube Industries, Ltd.
Hiroshi Yoshida
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
.omega.-hydroxy-(.omega.-3)-ketonitrile
Patent number
5,380,912
Issue date
Jan 10, 1995
UBE Industries, Ltd.
Hiroshi Yoshida
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
.omega.-hydroxy-(.omega.-3)-ketonitrile and method for preparing .o...
Patent number
5,350,868
Issue date
Sep 27, 1994
UBE Industries, Ltd.
Hiroshi Yoshida
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
.alpha.-(.omega.-cyanoalkanoyl)-.gamma.-butyrolactone and method fo...
Patent number
5,099,036
Issue date
Mar 24, 1992
UBE Industries, Ltd.
Hiroshi Yoshida
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of purifying 2-methyl-4-amino-5-aminomethylpyrimidine
Patent number
5,037,982
Issue date
Aug 6, 1991
UBE Industries, Ltd.
Keigo Nishihira
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
.alpha.-(.omega.-cyanoalkanoyl-.gamma.-butyrolactone and method for...
Patent number
5,023,351
Issue date
Jun 11, 1991
UBE Industries, Ltd.
Hiroshi Yoshida
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
2-methyl-4-amino-5-aminomethylpyrimidine carbonate, process for pre...
Patent number
4,892,948
Issue date
Jan 9, 1990
Ube Industries, Ltd.
Keigo Nishihira
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing 5-mercapto-1,2,3-thiadiazole salts
Patent number
4,675,412
Issue date
Jun 23, 1987
UBE Industries, Ltd.
Hiroshi Yoshida
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of a 2-alkyl-4-amino-5-aminomethylpyrim...
Patent number
4,539,403
Issue date
Sep 3, 1985
UBE Industries, Ltd.
Kozo Fujii
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing 2-alkyl-4-amino-5-aminomethylpyrimidine
Patent number
4,536,577
Issue date
Aug 20, 1985
UBE Industries, Ltd.
Hiroshi Yoshida
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing 4-amino-5-dialkoxy-methylpyrimidine derivatives
Patent number
4,492,792
Issue date
Jan 8, 1985
UBE Industries, Ltd.
Kozo Fujii
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
4-Alkoxy-1,3-dioxane-5-carbonitriles and process for preparing the...
Patent number
4,421,925
Issue date
Dec 20, 1983
UBE Industries, Ltd.
Sumio Umemura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing aromatic polyimide semipermeable membranes
Patent number
4,378,324
Issue date
Mar 29, 1983
Ube Industries, Ltd.
Hiroshi Makino
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...