Granted Patent
Utility
US 6,147,909 · App. 09/330,081
Nonvolatile semiconductor memory device
Inventor:
Ryosuke Fujio
Patented Case
View Patent ↗
Granted: Nov 14, 2000
Filed: Jun 11, 1999
Inventor
Ryosuke Fujio
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.