Granted Patent
Utility
US 5,907,506 · App. 09/008,865
Erasing method and erasing device for non-volatile semiconductor memory
Inventor:
Toshikatsu Jinbo
Patented Case
View Patent ↗
Granted: May 25, 1999
Filed: Jan 20, 1998
Inventor
Toshikatsu Jinbo
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.