Granted Patent
Utility
US 5,412,608 · App. 08/150,809
Method of erasing data on non-volatile semi-conductor memory
Inventor:
Ken-Ichi Oyama
Patented Case
View Patent ↗
Granted: May 2, 1995
Filed: Nov 12, 1993
Inventor
Ken-Ichi Oyama
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.