Granted Patent
Utility
US 5,434,499 · App. 08/159,229
Constant current switching circuit provided with a base current compensating circuit
Inventors:
Hiroshi Narikawa, Yoshiyuki Tamura
Patented Case
View Patent ↗
Granted: Jul 18, 1995
Filed: Nov 30, 1993
Inventors
Hiroshi Narikawa
Yoshiyuki Tamura
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.