Granted Patent
Utility
US 4,980,799 · App. 07/459,998
Electrostatic capacity device in semiconductor memory device, and apparatus for and method of driving sense amplifier using electrostatic capacity device
Inventor:
Youichi Tobita
Patented Case
View Patent ↗
Granted: Dec 25, 1990
Filed: Jan 4, 1990
Inventor
Youichi Tobita
Assignee (at issue)
MITSUBISHI ELECTRIC CORPORATION
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.