Inventor · disambiguated record
Kazumi Shiikuma
Also filed as: SHIIKUMA KAZUMI
19 granted patents·3 pending applications·149 citations·filing 1999–2016
93Inventor score
Top patents by PatentIndex Score
22 records- 0196US7262656B2Circuit for parallel operation of Doherty amplifiersNEC CORP·Filed 2005·Granted Aug 28, 2007·51 cites·8 claims
- 0286US8620240B2Power amplifier and power amplifying methodYAMANOUCHI SHINGO·Filed 2010·Granted Dec 31, 2013·12 cites·16 claims
- 0378US7649413B2High-frequency power amplifier improved in size and costSHIIKUMA KAZUMI·Filed 2007·Granted Jan 19, 2010·12 cites·4 claims
- 0476US8451054B2Power amplifying devicesKUNIHIRO KAZUAKI·Filed 2009·Granted May 28, 2013·9 cites·17 claims
- 0565US8198950B2Power amplifierYAMANOUCHI SHINGO·Filed 2009·Granted Jun 12, 2012·5 cites·21 claims
- 0664US8736364B2Power amplifier and method of operation thereofHAYAKAWA MAKOTO·Filed 2010·Granted May 27, 2014·3 cites·9 claims
- 0764US8693578B2Transmission deviceKUNIHIRO KAZUAKI·Filed 2010·Granted Apr 8, 2014·3 cites·12 claims
- 0864US8157571B2High-frequency module having a coaxial connector with its center conductor contacting a print wiring at only one pointKADOMATSU KEIJIROU·Filed 2009·Granted Apr 17, 2012·4 cites·9 claims
- 0962US7453320B2AmplifierNEC CORP·Filed 2004·Granted Nov 18, 2008·11 cites·20 claims
- 1058US7295064B2Doherty amplifierNEC CORP·Filed 2003·Granted Nov 13, 2007·11 cites·6 claims
- 1153US7315207B2Doherty amplifier and its distortion characteristic compensation methodNEC CORP·Filed 2003·Granted Jan 1, 2008·7 cites·4 claims
- 1249US9319255B2Transmitter, signal-synthesizing circuit, and signal-synthesizing methodNEC CORP·Filed 2013·Granted Apr 19, 2016·0 cites·31 claims
- 1348US9793862B2Transmitter and transmission methodNEC CORP·Filed 2014·Granted Oct 17, 2017·0 cites·20 claims
- 1446US9853605B2Transistor package, amplification circuit including the same, and method of forming transistorNEC CORP·Filed 2014·Granted Dec 26, 2017·0 cites·9 claims
- 1546US7710202B2AmplifierNEC CORP·Filed 2008·Granted May 4, 2010·1 cites·10 claims
- 1644US10361693B2Power source supply circuit, amplifier, communication device, base station, and power source supply methodNEC CORP·Filed 2016·Granted Jul 23, 2019·0 cites·15 claims
- 1742US6792050B1Ask modulation apparatus and methodNEC CORP·Filed 1999·Granted Sep 14, 2004·20 cites·23 claims
- 1839US9054647B2High frequency power amplifierSHIIKUMA KAZUMI·Filed 2011·Granted Jun 9, 2015·0 cites·7 claims
- 1937US9503029B2Transmitting amplifier and transmitterNEC CORP·Filed 2013·Granted Nov 22, 2016·0 cites·8 claims
- 2037US2015263768A1TransmitterNEC CORP·Filed 2013·Application pending·0 cites
- 2133US2017201302A1Wireless transmission device and wireless transmission methodNEC CORP·Filed 2015·Application pending·0 cites
- 2232US2007252649A1AmplifierSHIIKUMA KAZUMI·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →