Granted Patent
Utility
US 6,704,583 · App. 09/569,559
Mobile telephone and method of operating the same
Inventor:
Kenji Yoshioka
Patented Case
View Patent ↗
Granted: Mar 9, 2004
Filed: May 12, 2000
Inventor
Kenji Yoshioka
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.