Granted Patent
Utility
US 5,670,867 · App. 08/685,950
Current sensing circuit
Inventor:
Tsuyoshi Mitsuda
Patented Case
View Patent ↗
Granted: Sep 23, 1997
Filed: Jul 22, 1996
Inventor
Tsuyoshi Mitsuda
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.