Granted Patent
Utility
US 5,301,158 · App. 08/033,234
Data reading circuit including a current sensing amplifier circuit
Inventor:
Koichi Yokomizo
Patented Case
View Patent ↗
Granted: Apr 5, 1994
Filed: Mar 16, 1993
Inventor
Koichi Yokomizo
Assignee (at issue)
OKI ELECTRIC INDUSTRY CO., LTD.
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.