Granted Patent
Utility
US 6,072,413 · App. 08/969,349
Current output type digital-to-analog converter capable of suppressing output current fluctuation using a current mirror
Inventor:
Shinichi Hirasawa
Patented Case
View Patent ↗
Granted: Jun 6, 2000
Filed: Nov 28, 1997
Inventor
Shinichi Hirasawa
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.