Granted Patent
Utility
US 6,747,901 · App. 10/052,519
Nonvolatile semiconductor memory device capable of preventing occurrence of latch-up
Inventor:
Yasuaki Hirano
Patented Case
View Patent ↗
Granted: Jun 8, 2004
Filed: Jan 23, 2002
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.