Granted Patent
Utility
US 5,293,333 · App. 07/744,216
Non-volatile semiconductor memory device equipped with high-speed sense amplifier unit
Inventor:
Kiyokazu Hashimoto
Patented Case
View Patent ↗
Granted: Mar 8, 1994
Filed: Oct 9, 1991
Inventor
Kiyokazu Hashimoto
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.