Granted Patent
Utility
US 6,487,138 · App. 09/870,467
Semiconductor memory
Inventor:
Kenichi Origasa
Patented Case
View Patent ↗
Granted: Nov 26, 2002
Filed: Jun 1, 2001
Inventor
Kenichi Origasa
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.