Granted Patent
Utility
US 6,620,825 · App. 10/161,181
Adenosine A3 receptor antagonists
Inventors:
Shigenori Ohkawa, Hiroyuki Kimura, Naoyuki Kanzaki
Patented Case
View Patent ↗
Granted: Sep 16, 2003
Filed: Jun 3, 2002
Inventors
Shigenori Ohkawa
Hiroyuki Kimura
Naoyuki Kanzaki
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.