Granted Patent
Utility
US 6,829,749 · App. 10/214,126
Design support apparatus for circuit including directional coupler, design support tool, method of designing circuit, and circuit board
Inventors:
Hideki Osaka, Toyohiko Komatsu
Patented Case
View Patent ↗
Granted: Dec 7, 2004
Filed: Aug 8, 2002
Inventors
Hideki Osaka
Toyohiko Komatsu
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.