Granted Patent
Utility
US 5,917,751 · App. 09/052,427
Nonvolatile semiconductor memory device
Inventor:
Shinichi Wakita
Patented Case
View Patent ↗
Granted: Jun 29, 1999
Filed: Mar 31, 1998
Inventor
Shinichi Wakita
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.