Yoshikazu Kumagai

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Crystalline fumarate of 2-phenyl-1, 3-thiazolidine-4-on derivative
- Patent number 6,191,281
- Issue date Feb 20, 2001
- CHUGAI SEIYAKU KABUSHIKI KAISHA
- Kazuya Nakagomi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
4H-3,1-benzoxazine derivatives, process for producing the same and...
- Patent number 4,596,801
- Issue date Jun 24, 1986
- Chugai Seiyaku Kabushiki Kaisha
- Hiroshi Sugiyama
- C07 - ORGANIC CHEMISTRY