Granted Patent
Utility
US 5,911,107 · App. 09/148,190
MOS transistor read-only memory device
Inventor:
Takao Tanaka
Patented Case
View Patent ↗
Granted: Jun 8, 1999
Filed: Sep 4, 1998
Inventor
Takao Tanaka
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.