Granted Patent
Utility
US 6,320,216 · App. 09/207,027
Memory device with barrier portions having defined capacitance
Inventor:
Kazumasa Nomoto
Patented Case
View Patent ↗
Granted: Nov 20, 2001
Filed: Dec 8, 1998
Inventor
Kazumasa Nomoto
Assignee (at issue)
SONY GROUP 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.