Granted Patent
Utility
US 6,518,664 · App. 09/805,056
Semiconductor integrated circuit device and manufacturing method of that
Inventor:
Toshio Miyamoto
Patented Case
View Patent ↗
Granted: Feb 11, 2003
Filed: Mar 14, 2001
Inventor
Toshio Miyamoto
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.