Granted Patent
Utility
US 6,764,921 · App. 10/630,800
Semiconductor device and method for fabricating the same
Inventors:
Masahiro Imade, Hiroyuki Umimoto
Patented Case
View Patent ↗
Granted: Jul 20, 2004
Filed: Jul 31, 2003
Inventors
Masahiro Imade
Hiroyuki Umimoto
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.