Inventor · disambiguated record
Kazuhisa Yamauchi
Also filed as: YAMAUCHI KAZUHISA
8 granted patents·1 pending application·96 citations·filing 2001–2016
85Inventor score
Top patents by PatentIndex Score
9 records- 0192US6462622B1High-frequency amplifier and high-frequency multistage amplifierMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Oct 8, 2002·57 cites·9 claims
- 0285US8416018B2Variable frequency amplifierYAMAUCHI KAZUHISA·Filed 2009·Granted Apr 9, 2013·16 cites·15 claims
- 0372US7649412B2High efficiency amplifierMITSUBISHI ELECTRIC CORP·Filed 2006·Granted Jan 19, 2010·8 cites·5 claims
- 0471US7893770B2Power amplification deviceMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Feb 22, 2011·7 cites·2 claims
- 0559US8072288B2Directional couplerYAMAUCHI KAZUHISA·Filed 2008·Granted Dec 6, 2011·2 cites·15 claims
- 0647US7557654B2LinearizerMITSUBISHI ELECTRIC CORP·Filed 2004·Granted Jul 7, 2009·6 cites·12 claims
- 0738US8149060B2Low distortion amplifier and Doherty amplifier using low distortion amplifierYAMAUCHI KAZUHISA·Filed 2008·Granted Apr 3, 2012·0 cites·14 claims
- 0833US2013175544A1Semiconductor device, and method of manufacturing semiconductor deviceOISHI TOSHIYUKI·Filed 2010·Application pending·0 cites
- 0931US10277235B2SynthesizerMITSUBISHI ELECTRIC CORP·Filed 2016·Granted Apr 30, 2019·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →