Granted Patent
Utility
US 5,990,508 · App. 09/095,055
Ferroelectric memory
Inventor:
Sota Shinohara
Patented Case
View Patent ↗
Granted: Nov 23, 1999
Filed: Jun 10, 1998
Inventor
Sota Shinohara
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.