Granted Patent
Utility
US 5,494,846 · App. 08/354,557
Method of manufacturing semiconductor device
Inventor:
Toru Yamazaki
Patented Case
View Patent ↗
Granted: Feb 27, 1996
Filed: Dec 13, 1994
Inventor
Toru Yamazaki
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.