Granted Patent
Utility
US 6,720,951 · App. 09/843,491
Key customizing method and portable terminal device
Inventor:
Motoyasu Taguchi
Patented Case
View Patent ↗
Granted: Apr 13, 2004
Filed: Apr 26, 2001
Inventor
Motoyasu Taguchi
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.