Granted Patent
Utility
US 4,725,876 · App. 06/867,422
Semiconductor device having at least two resistors with high resistance values
Inventor:
Jun Kishi
Patented Case
View Patent ↗
Granted: Feb 16, 1988
Filed: May 15, 1986
Inventor
Jun Kishi
Assignee (at issue)
NIPPON ELECTRIC 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.