Granted Patent
Utility
US 6,545,915 · App. 10/147,321
Method for driving nonvolatile semiconductor memory device
Inventors:
Shigehiro Ohtani, Kaname Yamano
Patented Case
View Patent ↗
Granted: Apr 8, 2003
Filed: May 17, 2002
Inventors
Shigehiro Ohtani
Kaname Yamano
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.