Osamu Yamada

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Shizuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Hydantoin derivatives and herbicides containing said derivatives as...
- Patent number 5,883,049
- Issue date Mar 16, 1999
- Sagami Chemical Research Center
- Kenji Hirai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
4-imino-oxazolidine-2-one derivatives, a process for producing such...
- Patent number 5,612,289
- Issue date Mar 18, 1997
- Sagami Chemical Research Center
- Kenji Hirai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Tetrahydrophthalamide derivative, intermediate for producing the sa...
- Patent number 5,554,581
- Issue date Sep 10, 1996
- Sagami Chemical Research Center
- Kenji Hirai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Tetrahydrophthalamide derivative, intermediate for producing the sa...
- Patent number 5,506,190
- Issue date Apr 9, 1996
- Sagami Chemical Research Center
- Kenji Hirai
- C07 - ORGANIC CHEMISTRY