Granted Patent
Utility
US 6,400,628 · App. 09/748,139
Semiconductor memory device
Inventors:
Katsumi Dosaka, Hiroki Shimano, Hiroki Sugano, Kazutami Arimoto
Patented Case
View Patent ↗
Granted: Jun 4, 2002
Filed: Dec 27, 2000
Inventors
Katsumi Dosaka
Hiroki Shimano
Hiroki Sugano
Kazutami Arimoto
Assignees (at issue)
MITSUBISHI ELECTRIC CORPORATION
MITSUBISHI ELECTRIC ENGINEERING COMPANY, LIMITED
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.