Granted Patent
Utility
US 6,509,598 · App. 09/767,303
Semiconductor memory device having a redundant block and reduced power consumption
Inventor:
Tomio Okuda
Patented Case
View Patent ↗
Granted: Jan 21, 2003
Filed: Jan 23, 2001
Inventor
Tomio Okuda
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.