Granted Patent
Utility
US 5,892,718 · App. 08/934,539
Semiconductor memory device having a redundancy function
Inventor:
Yukinori Yamada
Patented Case
View Patent ↗
Granted: Apr 6, 1999
Filed: Sep 22, 1997
Inventor
Yukinori Yamada
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.