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Kiyoshi Furukawa
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Ibaraki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Dementia remedies containing 2-aryl-8-oxodihydropurine derivatives...
Patent number
6,962,921
Issue date
Nov 8, 2005
Dainippon Pharmaceutical Co., Ltd.
Kiyoshi Furukawa
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Medicines for the prevention and treatment of neurodegenerative dis...
Patent number
6,743,803
Issue date
Jun 1, 2004
Dainippon Pharmaceutical Co., Ltd.
Kiyoshi Furukawa
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
2-aryl-8-oxodihydropurine derivative, process for the producing the...
Patent number
6,372,740
Issue date
Apr 16, 2002
Dainippon Pharmaceutical Co., Ltd.
Teruya Murata
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Intermediates for 5-substituted-3-oxadiazolyl-1,6-Naphthyridin-2(1H...
Patent number
6,277,993
Issue date
Aug 21, 2001
Dainippon Pharmaceutical Co., Ltd.
Kazunori Ohno
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
5-substituted-3-oxadiazolyl-1,6-naphthyridin-2(1H)-one derivatives
Patent number
6,172,079
Issue date
Jan 9, 2001
Dainippon Pharmaceutical Co., Ltd.
Kazunori Ohno
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Acetamide derivative, process for preparing the same, and a pharmac...
Patent number
5,972,946
Issue date
Oct 26, 1999
Dainippon Pharmaceutical Co., Ltd.
Teruya Murata
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Intermediates for 3-oxadiazoly-1,6-naphthyridine derivatives
Patent number
5,424,433
Issue date
Jun 13, 1995
Dainippon Pharmaceutical Co., Ltd.
Kazunori Ohno
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Production on 3-oxadiazolyl-1,6-naphthyridine derivatives
Patent number
5,424,434
Issue date
Jun 13, 1995
Dainippon Pharmaceutical Co., Ltd.
Kazunori Ohno
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
3-oxadiazolyl-1,6-naphthyridine derivatives
Patent number
5,367,078
Issue date
Nov 22, 1994
Dainippon Pharmaceutical Co., Ltd.
Kazunori Ohno
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Medicament for treating cerebral insufficiency diseases, novel 2-(1...
Patent number
5,185,338
Issue date
Feb 9, 1993
Dainippon Pharmaceutical Co., Ltd.
Katsuhiko Hino
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Medicament for treating cerebral insufficiency diseases, novel 2-(1...
Patent number
5,041,443
Issue date
Aug 20, 1991
Dainippon Pharmaceutical Co., Ltd.
Katsuhiko Hino
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
2-(1-Piperazinyl)-4-phenylcycloalkanopyridine derivatives, processe...
Patent number
5,021,421
Issue date
Jun 4, 1991
Dainippon Pharmaceutical Co., Ltd.
Katsuhiko Hino
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
2-(4-Ethyl-1-piperazinyl)-4-phenylquinoline, process for preparatio...
Patent number
4,237,135
Issue date
Dec 2, 1980
Dainippon Pharmaceutical Co., Ltd.
Hitoshi Uno
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
Medicine Comprising a Combination of an Acetylcholinesterase Inhibi...
Publication number
20080275075
Publication date
Nov 6, 2008
Kiyoshi Furukawa
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Dementia remedies containing 2-aryl-8-oxodihydropurine derivatives...
Publication number
20030166667
Publication date
Sep 4, 2003
Kiyoshi Furukawa
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Medicines for the prevention and treatment of neurodegenerative dis...
Publication number
20030166673
Publication date
Sep 4, 2003
Kiyoshi Furukawa
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE