Kenji Takeda

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Toyama, JP

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Patents Grantslast 30 patents

Information Patent Grant
1,2-benzoisoxazole derivative or its salt and brain-protecting agen...
- Patent number 5,578,627
- Issue date Nov 26, 1996
- Toyama Chemical Co., Ltd.
- Kenji Takeda
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Piperazine derivative or its salt, process for producing the same a...
- Patent number 4,948,796
- Issue date Aug 14, 1990
- Toyama Chemical Co., Ltd.
- Toru Hiraiwa
- C07 - ORGANIC CHEMISTRY
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
Novel process for producing 2-(2-aminothiazol-4-yl)glyoxylic acid d...
- Patent number 4,667,040
- Issue date May 19, 1987
- Toyama Chemical Co., Ltd.
- Hiroshi Sadaki
- C07 - ORGANIC CHEMISTRY
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
Process for producing 2-(2-aminothiazol-4-yl)glyoxylic acid derivat...
- Patent number 4,563,534
- Issue date Jan 7, 1986
- Toyama Chemical Co., Ltd.
- Hiroshi Sadaki
- C07 - ORGANIC CHEMISTRY