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Norio Ohto
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Chiba, JP
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last 30 patents
Information
Patent Grant
Aminoketone derivatives and use thereof
Patent number
5,602,160
Issue date
Feb 11, 1997
Mitsui Toatsu Chemicals Incorporated
Hideki Tanada
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Pyrrolidinone derivatives
Patent number
5,538,985
Issue date
Jul 23, 1996
Mitsui Toatsu Chemicals, Inc.
Hajime Iizuka
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Aminoketone derivative and use thereof
Patent number
5,498,619
Issue date
Mar 12, 1996
Mitsui Toatsu Chemicals, Incorporated
Hideki Tanada
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Aminoketone derivatives of 1,2-oxazole and use thereof
Patent number
5,338,857
Issue date
Aug 16, 1994
Mitsui Toatsu Chemicals Incorporated
Norio Ohto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
(-)-2-pyrazoline compounds and therapeutic agent for cerebrovascula...
Patent number
5,089,622
Issue date
Feb 18, 1992
Mitsui Toatsu Chemicals Incorporated
Seitaro Kajiya
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of optically resolving (.+-.)-1-(3-pyridylcarbonyl)-5-methyl...
Patent number
5,075,449
Issue date
Dec 24, 1991
Mitsui Toatsu Chemicals, Inc.
Seitaro Kajiya
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing 1-acyl-2-pyrazoline derivative
Patent number
4,895,947
Issue date
Jan 23, 1990
Mitsui Toatsu Chemicals, Inc.
Hiroyuki Yamashita
C07 - ORGANIC CHEMISTRY