Granted Patent
Utility
US 5,977,593 · App. 08/975,185
Semiconductor device and method of manufacturing the same
Inventor:
Hideki Hara
Patented Case
View Patent ↗
Granted: Nov 2, 1999
Filed: Nov 20, 1997
Inventor
Hideki Hara
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.