Granted Patent
Utility
US 6,504,778 · App. 09/686,676
Semiconductor memory device
Inventor:
Masaki Uekubo
Patented Case
View Patent ↗
Granted: Jan 7, 2003
Filed: Oct 11, 2000
Inventor
Masaki Uekubo
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.