Granted Patent
Utility
US 6,300,211 · App. 09/633,344
Highly reliable trench capacitor type memory cell
Inventor:
Mitsuhiro Togo
Patented Case
View Patent ↗
Granted: Oct 9, 2001
Filed: Aug 4, 2000
Inventor
Mitsuhiro Togo
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.