Granted Patent
Utility
US 6,137,786 · App. 09/314,302
CDMA communication system and method
Inventors:
Masayuki Ariyoshi, Nobukazu Doi, Tesshin Shiga, Yoshito Ohta
Patented Case
View Patent ↗
Granted: Oct 24, 2000
Filed: May 19, 1999
Inventors
Masayuki Ariyoshi
Nobukazu Doi
Tesshin Shiga
Yoshito Ohta
Assignees (at issue)
HITACHI, LTD.
Hitachi Denshi Kabushiki Kaisha
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.