Granted Patent
Utility
US 5,255,237 · App. 07/866,510
Method of erasing a nonvolatile semiconductor storage
Inventor:
Noriaki Kodama
Patented Case
View Patent ↗
Granted: Oct 19, 1993
Filed: Apr 10, 1992
Inventor
Noriaki Kodama
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.