Granted Patent
Utility
US 6,764,879 · App. 10/200,950
Semiconductor wafer, semiconductor device, and method for manufacturing the same
Inventors:
Koichi Nagao, Hiroaki Fujimoto
Patented Case
View Patent ↗
Granted: Jul 20, 2004
Filed: Jul 24, 2002
Inventors
Koichi Nagao
Hiroaki Fujimoto
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.