Assignee
YAMAUCHI KAZUHISA
JP·4 granted patents·33 citations·filing 1991–2009
Top patents by PatentIndex Score
4 records- 0185US8416018B2Variable frequency amplifierYAMAUCHI KAZUHISA·Filed 2009·Granted Apr 9, 2013·16 cites·15 claims
- 0259US8072288B2Directional couplerYAMAUCHI KAZUHISA·Filed 2008·Granted Dec 6, 2011·2 cites·15 claims
- 0354US5252550AMethod of producing a composite oxide superconductive wireYAMAUCHI KAZUHISA·Filed 1991·Granted Oct 12, 1993·15 cites·1 claims
- 0438US8149060B2Low distortion amplifier and Doherty amplifier using low distortion amplifierYAMAUCHI KAZUHISA·Filed 2008·Granted Apr 3, 2012·0 cites·14 claims
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