Granted Patent
Utility
US 5,798,551 · App. 08/784,998
Semiconductor integrated circuit device and method of manufacturing the same
Inventors:
Kenichi Kikushima, Fumio Ootsuka, Kazushige Sato
Patented Case
View Patent ↗
Granted: Aug 25, 1998
Filed: Jan 17, 1997
Inventors
Kenichi Kikushima
Fumio Ootsuka
Kazushige Sato
Assignee (at issue)
HITACHI, LTD.
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.