Granted Patent
Utility
US 6,646,944 · App. 10/164,651
Semiconductor memory device
Inventors:
Hiroki Shimano, Katsumi Dosaka
Patented Case
View Patent ↗
Granted: Nov 11, 2003
Filed: Jun 10, 2002
Inventors
Hiroki Shimano
Katsumi Dosaka
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.