Granted Patent
Utility
US 5,691,330 · App. 08/478,843
Condensed thiophene compound and pharmaceutical use thereof
Inventors:
Tohru Nakao, Yuji Ono, Masahiro Bougauchi, Yasuto Morimoto
Patented Case
View Patent ↗
Granted: Nov 25, 1997
Filed: Jun 7, 1995
Inventors
Tohru Nakao
Yuji Ono
Masahiro Bougauchi
Yasuto Morimoto
Assignee (at issue)
Yoshitomi Pharmaceutical Industries, Ltd.
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.