Granted Patent
Utility
US 6,489,689 · App. 09/865,492
Semiconductor device
Inventor:
Naoki Nojiri
Patented Case
View Patent ↗
Granted: Dec 3, 2002
Filed: May 29, 2001
Inventor
Naoki Nojiri
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.