Granted Patent
Utility
US 6,744,099 · App. 10/372,329
MIS semiconductor device and manufacturing method thereof
Inventors:
Ryuta Tsuchiya, Masatada Horiuchi
Patented Case
View Patent ↗
Granted: Jun 1, 2004
Filed: Feb 25, 2003
Inventors
Ryuta Tsuchiya
Masatada Horiuchi
Assignee (at issue)
HITACHI, 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.