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Tsutomu Katakami
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Kanagawa, JP
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last 30 patents
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Patent Grant
Pyrimidinedione derivatives and antiarrhythmic agents containing same
Patent number
5,332,739
Issue date
Jul 26, 1994
Mitsui Toatsu Chemicals, Incorporated
Tsutomu Katakami
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Pyrimidinedione derivatives and antiarrythmic agents containing the...
Patent number
5,308,848
Issue date
May 3, 1994
Mitsui Toatsu Chemicals, Incorporated
Michihiko Miyamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Pyrimidinedione derivative compounds, method for preparing same, an...
Patent number
5,114,941
Issue date
May 19, 1992
Mitsui Toatsu Chemicals, Incorporated
Tsutomu Katakami
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Pyrimidinedione compounds, method of producing the same and antiarr...
Patent number
5,008,267
Issue date
Apr 16, 1991
Mitsui Toatsu Chemicals, Incorporated
Tsutomu Katakami
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
6-acylaminophenyl-5-alkyl-4,5-dihydro-3(2H)-pyridazinone compounds...
Patent number
4,965,263
Issue date
Oct 23, 1990
Mitsui Toatsu Kagaku Kabushiki Kaisha
Takashi Nishina
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Pyridazinone derivatives
Patent number
4,639,451
Issue date
Jan 27, 1987
Mitsui Toatsu Kagaku Kabushiki Kaisha
Tsutomu Katakami
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Benzothiazepine derivatives and their methods of preparation
Patent number
4,539,150
Issue date
Sep 3, 1985
Mitsui Toatsu Chemicals, Inc.
Tsutomu Katakami
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Benzothiazepine derivatives and their method of preparation
Patent number
4,539,151
Issue date
Sep 3, 1985
Mitsui Toatsu Chemicals, Inc.
Tsutomu Katakami
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing 6-(substituted phenyl)-4,5-dihydro-3(2H)-pyri...
Patent number
4,523,011
Issue date
Jun 11, 1985
Mitsui Toatsu Kagaku Kabushiki Kaisha
Tsutomu Katakami
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
6-(Substituted phenyl)-4,5-dihydro-3(2H)-pyridazinone compounds
Patent number
4,521,415
Issue date
Jun 4, 1985
Mitsui Toatsu Kagaku Kabushiki Kaisha
Tsutomu Katakami
C07 - ORGANIC CHEMISTRY