Granted Patent
Utility
US 6,768,167 · App. 10/442,647
MIS semiconductor device and the manufacturing method thereof
Inventors:
Tatsuji Nagaoka, Tatsuhiko Fujihira, Yasuhiko Onishi
Patented Case
View Patent ↗
Granted: Jul 27, 2004
Filed: May 21, 2003
Inventors
Tatsuji Nagaoka
Tatsuhiko Fujihira
Yasuhiko Onishi
Assignee (at issue)
FUJI ELECTRIC CO., 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.