Granted Patent
Utility
US 5,643,808 · App. 08/535,892
Process of manufacturing a semiconductor device
Inventor:
Hisamitsu Suzuki
Patented Case
View Patent ↗
Granted: Jul 1, 1997
Filed: Sep 28, 1995
Inventor
Hisamitsu Suzuki
Assignee (at issue)
NEC 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.