Granted Patent
Utility
US 5,926,698 · App. 09/025,505
Semiconductor memory device and method of fabricating the same
Inventor:
Hiroaki Ohkubo
Patented Case
View Patent ↗
Granted: Jul 20, 1999
Filed: Feb 18, 1998
Inventor
Hiroaki Ohkubo
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.