Granted Patent
Utility
US 6,807,162 · App. 10/166,268
CDMA/TDD mobile communication system and method
Inventors:
Masaki Hayashi, Kazuyuki Miya, Toyoki Ue, Katsuhiko Hlramatsu
Patented Case
View Patent ↗
Granted: Oct 19, 2004
Filed: Jun 11, 2002
Inventors
Masaki Hayashi
Kazuyuki Miya
Toyoki Ue
Katsuhiko Hlramatsu
Assignee (at issue)
SUMITOMO ELECTRIC 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.