Granted Patent
Utility
US 6,815,979 · App. 10/323,834
Impedance control circuit for controlling multiple different impedances with single control circuit
Inventor:
Takeshi Ooshita
Patented Case
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Granted: Nov 9, 2004
Filed: Dec 20, 2002
Inventor
Takeshi Ooshita
Assignee (at issue)
Renesas Technology 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.