Granted Patent
Utility
US 5,309,402 · App. 07/835,357
Flash electrically erasable and programmable ROM
Inventor:
Takeshi Okazawa
Patented Case
View Patent ↗
Granted: May 3, 1994
Filed: Feb 14, 1992
Inventor
Takeshi Okazawa
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.