Granted Patent
Utility
US 6,438,118 · App. 09/102,575
Code-multiplexing communication apparatus
Inventor:
Hitosi Matui
Patented Case
View Patent ↗
Granted: Aug 20, 2002
Filed: Jun 23, 1998
Inventor
Hitosi Matui
Assignee (at issue)
NEC CORPORATION
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.