Sumiro Isoda

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Tricyclic triazolopyrimidine derivatives
- Patent number 4,898,943
- Issue date Feb 6, 1990
- Daiichi Seiyaku Co., Ltd.
- Sumiro Isoda
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Thiazolo[3,2-a][1,2,3]triazolo[4,5-d]pyrimidine and [1,3,4]thiadiaz...
- Patent number 4,652,646
- Issue date Mar 24, 1987
- Daiichi Seiyaku Co., Ltd.
- Sumiro Isoda
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2-Aminotetralin derivatives and process for producing the same
- Patent number 4,239,903
- Issue date Dec 16, 1980
- Daiichi Seiyaku Co., Ltd.
- Sumiro Isoda
- C07 - ORGANIC CHEMISTRY