Granted Patent
Utility
US 6,162,828 · App. 08/648,145
Cysteine protease inhibitor
Inventors:
Tsunehiko Fukuda, Yukio Fujisawa, Hiroyuki Watanabe
Patented Case
View Patent ↗
Granted: Dec 19, 2000
Filed: May 20, 1996
Inventors
Tsunehiko Fukuda
Yukio Fujisawa
Hiroyuki Watanabe
Assignee (at issue)
Takeda Chemical 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.