Granted Patent
Utility
US 5,907,772 · App. 08/806,420
Method of producing cylindrical storage node of stacked capacitor in memory cell
Inventor:
Haruo Iwasaki
Patented Case
View Patent ↗
Granted: May 25, 1999
Filed: Feb 26, 1997
Inventor
Haruo Iwasaki
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.