Granted Patent
Utility
US 6,697,440 · App. 09/622,062
Demodulator of receiver
Inventors:
Kenichi Shiraishi, Soichi Shinjo, Akihiro Horii, Shoji Matsuda
Patented Case
View Patent ↗
Granted: Feb 24, 2004
Filed: Aug 25, 2000
Inventors
Kenichi Shiraishi
Soichi Shinjo
Akihiro Horii
Shoji Matsuda
Assignee (at issue)
KENWOOD LIMITED
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.