Granted Patent
Utility
US 6,201,963 · App. 09/057,959
Mobile communication system
Inventor:
Naoyuki Nakamura
Patented Case
View Patent ↗
Granted: Mar 13, 2001
Filed: Apr 9, 1998
Inventor
Naoyuki Nakamura
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.