Granted Patent
Utility
US 6,744,658 · App. 10/378,852
Semiconductor memory device capable of holding write data for long time
Inventor:
Hideyuki Noda
Patented Case
View Patent ↗
Granted: Jun 1, 2004
Filed: Mar 5, 2003
Inventor
Hideyuki Noda
Assignee (at issue)
MITSUBISHI ELECTRIC 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.