Granted Patent
Utility
US 6,496,937 · App. 09/228,994
Password updating apparatus and recording medium used therefor
Inventor:
Masaki Ichihara
Patented Case
View Patent ↗
Granted: Dec 17, 2002
Filed: Jan 12, 1999
Inventor
Masaki Ichihara
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.