Granted Patent
Utility
US 5,825,232 · App. 08/857,819
MOS four-quadrant multiplier including the voltage-controlled-three-transistor V-I converters
Inventor:
Katsuji Kimura
Patented Case
View Patent ↗
Granted: Oct 20, 1998
Filed: May 16, 1997
Inventor
Katsuji Kimura
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.