Granted Patent
Utility
US 6,172,934 · App. 09/438,945
Semiconductor memory device preventing a malfunction caused by a defective main word line
Inventor:
Teruyuki Uchihira
Patented Case
View Patent ↗
Granted: Jan 9, 2001
Filed: Nov 12, 1999
Inventor
Teruyuki Uchihira
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.