Granted Patent
Utility
US 5,162,735 · App. 07/839,905
Operational amplifier circuit with improved gain of feedback loop
Inventor:
Toshiyuki Okamoto
Patented Case
View Patent ↗
Granted: Nov 10, 1992
Filed: Feb 21, 1992
Inventor
Toshiyuki Okamoto
Assignee (at issue)
NEC 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.