Granted Patent
Utility
US 6,831,872 · App. 10/723,143
Semiconductor memory device and method for correcting a reference cell
Inventor:
Nobuaki Matsuoka
Patented Case
View Patent ↗
Granted: Dec 14, 2004
Filed: Nov 25, 2003
Inventor
Nobuaki Matsuoka
Assignee (at issue)
SHARP KABUSHIKI KAISHA
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.