Granted Patent
Utility
US 5,469,451 · App. 08/347,220
Error detection and correction of a semiconductor memory device
Inventor:
Toru Henmi
Patented Case
View Patent ↗
Granted: Nov 21, 1995
Filed: Nov 23, 1994
Inventor
Toru Henmi
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.