Granted Patent
Utility
US 5,883,798 · App. 08/941,199
Voltage/current conversion circuit
Inventor:
Motoi Yamaguchi
Patented Case
View Patent ↗
Granted: Mar 16, 1999
Filed: Sep 30, 1997
Inventor
Motoi Yamaguchi
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.