Granted Patent
Utility
US 6,271,225 · App. 09/341,317
Fused thiophene compounds and medicinal use thereof
Inventors:
Koji Seio, Hiroshi Tanaka, Toshiyuki Kohara, Kenji Hashimoto, Masatake Fujimura, Hideki Horiuchi, Hiroshi Yasumatsu, Koreichi Kimura
Patented Case
View Patent ↗
Granted: Aug 7, 2001
Filed: Jul 8, 1999
Inventors
Koji Seio
Hiroshi Tanaka
Toshiyuki Kohara
Kenji Hashimoto
Masatake Fujimura
Hideki Horiuchi
Hiroshi Yasumatsu
Koreichi Kimura
Assignee (at issue)
Welfide Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.