Granted Patent
Utility
US 5,789,778 · App. 08/726,778
Semiconductor device with gate insulator film
Inventor:
Ichiro Murai
Patented Case
View Patent ↗
Granted: Aug 4, 1998
Filed: Oct 7, 1996
Inventor
Ichiro Murai
Assignee (at issue)
Nippon Steel Semiconductor Corporation
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.