Granted Patent
Utility
US 5,602,777 · App. 08/449,022
Semiconductor memory device having floating gate transistors and data holding means
Inventors:
Masaru Nawaki, Shounosuke Ueno
Patented Case
View Patent ↗
Granted: Feb 11, 1997
Filed: May 24, 1995
Inventors
Masaru Nawaki
Shounosuke Ueno
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.