Granted Patent
Utility
US 5,866,920 · App. 08/813,338
Semiconductor device and manufacturing method of the same
Inventors:
Yoshishige Matsumoto, Yoshitake Ohnishi, Kazuhiko Endo, Toru Tatsumi
Patented Case
View Patent ↗
Granted: Feb 2, 1999
Filed: Mar 7, 1997
Inventors
Yoshishige Matsumoto
Yoshitake Ohnishi
Kazuhiko Endo
Toru Tatsumi
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.