Yasuo Watanabe

Person

Toyama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Quinolonecarboxylic acid derivatives or salts thereof
- Patent number 6,025,370
- Issue date Feb 15, 2000
- Toyama Chemical Co., Ltd.
- Yozo Todo
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Quinolone- or naphthylidone-carboxylic acid derivates or their salts
- Patent number 5,935,952
- Issue date Aug 10, 1999
- Toyama Chemical Co., Ltd.
- Yozo Todo
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Sustained-release oral ointment
- Patent number 5,858,408
- Issue date Jan 12, 1999
- Toyama Chemical Co., Ltd.
- Sadao Sotani
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Penam derivatives and salts thereof, process for producing the same...
- Patent number 5,300,497
- Issue date Apr 5, 1994
- Toyama Chemical Co., Ltd.
- Hirokazu Ochiai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Penam derivatives and salts thereof, and antibacterial agent compri...
- Patent number 5,185,330
- Issue date Feb 9, 1993
- Toyama Chemical Co., Ltd.
- Hirokazu Ochiai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cephalosporins, process for producing the same, intermediates there...
- Patent number 5,144,027
- Issue date Sep 1, 1992
- Toyama Chemical Co., Ltd.
- Hiroshi Sadaki
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
7-(substituted or unsubstituted amino) 3-substituted methyl-.sup.3...
- Patent number 4,879,381
- Issue date Nov 7, 1989
- Toyoma Chemical Company, Ltd.
- Hiroshi Sadaki
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
7-amino-3-(pyrazinylmethyl) or (pyridazinylmethyl)-cephalosporins
- Patent number 4,717,767
- Issue date Jan 5, 1988
- Toyama Chemical Co., Ltd.
- Hiroshi Sadaki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
4-oxo-1,4-dihydronicotinic acid derivatives, salts thereof, and ant...
- Patent number 4,698,352
- Issue date Oct 6, 1987
- Toyama Chemical Co., Ltd.
- Hirokazu Narita
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Novel intermediates of cephalosporins and process for producing 7-(...
- Patent number 4,673,738
- Issue date Jun 16, 1987
- Handi-Pac Inc.
- Hiroshi Sadaki
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Antibiotic 7-(thiazolyl)-3-(pyrazinylmethyl) or (pyridazinylmethyl)...
- Patent number 4,618,606
- Issue date Oct 21, 1986
- Toyama Chemical Co., Ltd.
- Hiroshi Sadaki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cephalosporins
- Patent number 4,489,072
- Issue date Dec 18, 1984
- Toyama Chemical Co., Ltd.
- Hiroshi Sadaki
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Yasuo Watanabe

Person

Patents Grantslast 30 patents

Quinolonecarboxylic acid derivatives or salts thereof

Quinolone- or naphthylidone-carboxylic acid derivates or their salts

Sustained-release oral ointment

Penam derivatives and salts thereof, process for producing the same...

Penam derivatives and salts thereof, and antibacterial agent compri...

Cephalosporins, process for producing the same, intermediates there...

7-(substituted or unsubstituted amino) 3-substituted methyl-.sup.3...

7-amino-3-(pyrazinylmethyl) or (pyridazinylmethyl)-cephalosporins

4-oxo-1,4-dihydronicotinic acid derivatives, salts thereof, and ant...

Novel intermediates of cephalosporins and process for producing 7-(...

Antibiotic 7-(thiazolyl)-3-(pyrazinylmethyl) or (pyridazinylmethyl)...

Cephalosporins