Granted Patent
Utility
US 5,652,450 · App. 08/684,585
Nonvolatile semiconductor storage device
Inventor:
Yasuaki Hirano
Patented Case
View Patent ↗
Granted: Jul 29, 1997
Filed: Jul 19, 1996
Inventor
Yasuaki Hirano
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.