Naoki Ohta

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Patents Grantslast 30 patents

Information Patent Grant
Enantiomerically pure substituted oxaaza compounds, salts of the sa...
- Patent number 6,423,843
- Issue date Jul 23, 2002
- Daiichi Pharmaceutical Co., Ltd.
- Naoki Ohta
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production process of cyclic compound
- Patent number 6,218,548
- Issue date Apr 17, 2001
- Daiichi Paharmaceutical Co., Ltd.
- Toshifumi Akiba
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production process of cyclic compound
- Patent number 6,013,806
- Issue date Jan 11, 2000
- Daiichi Pharmaceutical Co., Ltd.
- Toshifumi Akiba
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production process of cyclic compound
- Patent number 5,856,518
- Issue date Jan 5, 1999
- Daiichi Pharmaceutical Co., Ltd.
- Toshifumi Akiba
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Process for porducing quinolonecarboxylic acid derivative
- Publication number 20050143407
- Publication date Jun 30, 2005
- DAIICHI PHARMACEUTICAL CO., LTD.
- Naoki Ohta
- C07 - ORGANIC CHEMISTRY