Granted Patent
Utility
US 5,124,767 · App. 07/527,974
Dynamic random access memory cell with improved stacked capacitor
Inventor:
Kuniaki Koyama
Patented Case
View Patent ↗
Granted: Jun 23, 1992
Filed: May 24, 1990
Inventor
Kuniaki Koyama
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.