IP Library › Granted Patent US 6,420,375
Granted Patent Utility
US 6,420,375 · App. 09/367,896

Fused ring compounds, process for producing the same and use thereof

Inventors: Tetsuya Aono, Fumio Itoh, Tomohiro Kaku, Masuo Yamaoka
Patented Case View Patent ↗
Granted: Jul 16, 2002 Filed: Aug 18, 1999
Inventors
Tetsuya Aono
Fumio Itoh
Tomohiro Kaku
Masuo Yamaoka
Assignee (at issue)
Takeda Chemical Industries Ltd.

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Quick Facts
Patent No.
US 6,420,375
App. No.
09/367,896
Filed
1999-08-18
Granted
2002-07-16
Kind
B1