Granted Patent
Utility
US 5,617,361 · App. 08/625,830
Non-volatile semiconductor memory device
Inventor:
Hiroshi Sugawara
Patented Case
View Patent ↗
Granted: Apr 1, 1997
Filed: Apr 1, 1996
Inventor
Hiroshi Sugawara
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.