Hirohito Shimizu

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparation of a benzofuran derivative
- Patent number 6,852,867
- Issue date Feb 8, 2005
- CHUGAI SEIYAKU KABUSHIKI KAISHA
- Kunio Tamura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of producing a quinolonecarboxylic acid derivative
- Patent number 5,869,661
- Issue date Feb 9, 1999
- Chugai Seiyaku Kabushiki Kaisha
- Kiyoshige Ochi
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Process for preparation of a benzofuran derivative
- Publication number 20030204100
- Publication date Oct 30, 2003
- Kunio Tamura
- C07 - ORGANIC CHEMISTRY