Granted Patent
Utility
US 6,563,757 · App. 10/043,324
Semiconductor memory device
Inventor:
Masashi Agata
Patented Case
View Patent ↗
Granted: May 13, 2003
Filed: Jan 14, 2002
Inventor
Masashi Agata
Assignee (at issue)
SUMITOMO ELECTRIC INDUSTRIES, LTD.
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.