Granted Patent
Utility
US 6,487,119 · App. 09/852,789
Non-volatile read only memory and its manufacturing method
Inventors:
Noboru Egawa, Hitoshi Kokubun
Patented Case
View Patent ↗
Granted: Nov 26, 2002
Filed: May 11, 2001
Inventors
Noboru Egawa
Hitoshi Kokubun
Assignee (at issue)
OKI ELECTRIC INDUSTRY CO., LTD.
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.