Granted Patent
Utility
US 6,613,761 · App. 09/587,947
Benzoxazepine compounds, their production and use
Inventors:
Hidefumi Yukimasa, Yasuo Sugiyama, Ryuichi Tozawa
Patented Case
View Patent ↗
Granted: Sep 2, 2003
Filed: Jun 6, 2000
Inventors
Hidefumi Yukimasa
Yasuo Sugiyama
Ryuichi Tozawa
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.