Granted Patent
Utility
US 6,348,485 · App. 09/700,405
Method for treating or preventing sleep disorders
Inventors:
Shigenori Ohkawa, Masaomi Miyamoto
Patented Case
View Patent ↗
Granted: Feb 19, 2002
Filed: Nov 14, 2000
Inventors
Shigenori Ohkawa
Masaomi Miyamoto
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.