Granted Patent
Utility
US 6,172,089 · App. 09/303,494
Pharmaceutical composition
Inventors:
Hitoshi Ikeda, Takashi Sohda, Hiroyuki Odaka
Patented Case
View Patent ↗
Granted: Jan 9, 2001
Filed: Apr 30, 1999
Inventors
Hitoshi Ikeda
Takashi Sohda
Hiroyuki Odaka
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.