Granted Patent
Utility
US 6,693,347 · App. 10/320,405
Semiconductor device
Inventors:
Hiroaki Fujimoto, Yoshinobu Kunitomo, Takashi Yui
Patented Case
View Patent ↗
Granted: Feb 17, 2004
Filed: Dec 17, 2002
Inventors
Hiroaki Fujimoto
Yoshinobu Kunitomo
Takashi Yui
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.