Granted Patent
Utility
US 6,281,536 · App. 09/287,413
Ferroelectric memory device with improved ferroelectric capacity characteristic
Inventors:
Sota Shinohara, Kazushi Amanuma, Yukinobu Murao, Yuukoh Katoh, Tsuneo Takeuchi, Yoshihiro Hayashi
Patented Case
View Patent ↗
Granted: Aug 28, 2001
Filed: Apr 7, 1999
Inventors
Sota Shinohara
Kazushi Amanuma
Yukinobu Murao
Yuukoh Katoh
Tsuneo Takeuchi
Yoshihiro Hayashi
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.