Granted Patent
Utility
US 6,828,820 · App. 10/435,112
Method and circuit for producing control signal for impedance matching
Inventor:
Tsuyoshi Ohno
Patented Case
View Patent ↗
Granted: Dec 7, 2004
Filed: May 8, 2003
Inventor
Tsuyoshi Ohno
Assignee (at issue)
NEC Electronics 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.