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Yoshihiro Ohshita
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Hiroshima-ken, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Pyridonecarboxylic acid derivatives or salts thereof
Patent number
7,713,997
Issue date
May 11, 2010
Wakunaga Pharmaceutical Co., Ltd.
Akira Yazaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Quinolinecarboxylic acid derivative or salts thereof
Patent number
6,858,625
Issue date
Feb 22, 2005
Wakunaga Pharmaceutical Co., Ltd.
Akira Yazaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Pyridonecarboxylic acid derivatives or salts thereof and antibacter...
Patent number
6,211,375
Issue date
Apr 3, 2001
Wakunaga Pharmaceutical Co., Ltd.
Akira Yazaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Pyridonecarboxylic acid derivatives or their salts, and antibacteri...
Patent number
6,156,903
Issue date
Dec 5, 2000
Wakunaga Pharmaceutical Co., Ltd.
Akira Yazaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Pyridonecarboxylic acid derivatives or salts thereof and drugs cont...
Patent number
6,136,823
Issue date
Oct 24, 2000
Wakunaga Pharmaceutical Co., Ltd.
Nobuya Sakae
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Pyridonecarboxylic acid derivatives or their salts, and antibacteri...
Patent number
6,133,284
Issue date
Oct 17, 2000
Wakunaga Pharmaceutical Co., Ltd.
Akira Yazaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Pyridonecarboxylic acid derivatives or their salts and antibacteria...
Patent number
5,998,436
Issue date
Dec 7, 1999
Wakunaga Pharmaceuticals Co., Ltd.
Akira Yazaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Pyridonecarboxylic acid derivatives or salts thereof and antibacter...
Patent number
5,910,498
Issue date
Jun 8, 1999
Wakunaga Seiyaku Kabushiki Kaisha
Akira Yazaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Slide glass
Patent number
4,818,623
Issue date
Apr 4, 1989
Wakunaga Seiyaku Kabushiki Kaisha
Toyoharu Hozumi
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
NOVEL PYRIDONECARBOXYLIC ACID DERIVATIVES OR SALTS THEREOF
Publication number
20090149440
Publication date
Jun 11, 2009
WAKUNAGA PHARMACEUTICAL CO., LTD.
Akira Yazaki
C07 - ORGANIC CHEMISTRY