Granted Patent
Utility
US 6,010,946 · App. 08/914,169
Semiconductor device with isolation insulating film tapered and method of manufacturing the same
Inventors:
Yosiaki Hisamune, Kohji Kanamori
Patented Case
View Patent ↗
Granted: Jan 4, 2000
Filed: Aug 19, 1997
Inventors
Yosiaki Hisamune
Kohji Kanamori
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.