Granted Patent
Utility
US 6,118,688 · App. 09/147,462
Ferroelectric memory device and method for driving it
Inventors:
Hiroshige Hirano, Koji Asari
Patented Case
View Patent ↗
Granted: Sep 12, 2000
Filed: Dec 30, 1998
Inventors
Hiroshige Hirano
Koji Asari
Assignee (at issue)
Matsushita Electronics 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.