Granted Patent
Utility
US 6,501,701 · App. 09/880,797
Semiconductor memory device
Inventor:
Hiroyuki Sadakata
Patented Case
View Patent ↗
Granted: Dec 31, 2002
Filed: Jun 15, 2001
Inventor
Hiroyuki Sadakata
Assignee (at issue)
SUMITOMO ELECTRIC INDUSTRIES, LTD.
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.