Takayasu Nagahara

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sulfonyl derivatives
- Patent number 6,747,023
- Issue date Jun 8, 2004
- Daiichi Pharmaceutical Co., Ltd.
- Syozo Kobayashi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Sulfonyl derivatives
- Patent number 6,525,042
- Issue date Feb 25, 2003
- Daiichi Pharmaceutical Co., Ltd.
- Syozo Kobayashi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aromatic amidine derivatives and salts thereof
- Patent number 5,962,695
- Issue date Oct 5, 1999
- Daiichi Pharmaceutical Co., Ltd.
- Takayasu Nagahara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aromatic amidine derivatives and salts thereof
- Patent number 5,866,577
- Issue date Feb 2, 1999
- Daiichi Pharmaceutical Co., Ltd.
- Takayasu Nagahara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aromatic amidine derivatives and salts thereof
- Patent number 5,620,991
- Issue date Apr 15, 1997
- Daiichi Pharmaceutical Co., Ltd.
- Takayasu Nagahara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aromatic amidine derivatives and salts thereof
- Patent number 5,576,343
- Issue date Nov 19, 1996
- Daiichi Pharmaceutical Co., Ltd.
- Takayasu Nagahara
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Novel sulfonyl derivatives
- Publication number 20040082611
- Publication date Apr 29, 2004
- DAIICHI PHARMACEUTICAL CO., LTD.
- Syozo Kobayashi
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Sulfonyl derivatives
- Publication number 20030232808
- Publication date Dec 18, 2003
- DAIICHI PHARMACEUTICAL CO., LTD.
- Syozo Kobayashi
- C07 - ORGANIC CHEMISTRY