Granted Patent
Utility
US 6,352,989 · App. 09/600,995
Nitrogenous heterocyclic derivatives and medicine thereof
Inventors:
Kazuki Miyazaki, Yasutaka Takase, Takao Saeki
Patented Case
View Patent ↗
Granted: Mar 5, 2002
Filed: Jul 26, 2000
Inventors
Kazuki Miyazaki
Yasutaka Takase
Takao Saeki
Assignee (at issue)
Eisai Inc.
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.