Granted Patent
Utility
US 6,064,597 · App. 08/943,589
Method of programming a multilevel nonvolatile memory cell with reduced number of erase operations
Inventors:
Toshio Takeshima, Hiroshi Sugawara
Patented Case
View Patent ↗
Granted: May 16, 2000
Filed: Oct 3, 1997
Inventors
Toshio Takeshima
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.