Granted Patent
Utility
US 5,737,264 · App. 08/621,479
Non-volatile semiconductor memory cell
Inventor:
Hiroki Shirai
Patented Case
View Patent ↗
Granted: Apr 7, 1998
Filed: Mar 25, 1996
Inventor
Hiroki Shirai
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.