Granted Patent
Utility
US 6,515,538 · App. 09/837,730
Active bias circuit having wilson and widlar configurations
Inventors:
Fuminobu Ono, Yoshikazu Nishimura
Patented Case
View Patent ↗
Granted: Feb 4, 2003
Filed: Apr 18, 2001
Inventors
Fuminobu Ono
Yoshikazu Nishimura
Assignee (at issue)
NEC Compound Semiconductor Devices, Ltd.
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.