Inventor · disambiguated record
Masafumi Iwaki
Also filed as: IWAKI MASAFUMI
73 granted patents·4 pending applications·659 citations·filing 2004–2025
99Inventor score
Top patents by PatentIndex Score
77 records- 0199US7941103B2DuplexerTAIYO YUDEN KK·Filed 2006·Granted May 10, 2011·169 cites·13 claims
- 0298US9219467B2Duplexer, filter and communication moduleINOUE SHOGO·Filed 2012·Granted Dec 22, 2015·37 cites·19 claims
- 0395US10361678B2Acoustic wave resonator, filter, and duplexerTAIYO YUDEN KK·Filed 2016·Granted Jul 23, 2019·14 cites·21 claims
- 0495US8084919B2Piezoelectric thin-film resonator, filter using the same, and duplexer using the sameNISHIHARA TOKIHIRO·Filed 2009·Granted Dec 27, 2011·42 cites·17 claims
- 0594US10700662B2Acoustic wave device, filter, and multiplexerTAIYO YUDEN KK·Filed 2018·Granted Jun 30, 2020·9 cites·13 claims
- 0694US9559661B2Duplexer, filter and communication moduleTAIYO YUDEN KK·Filed 2015·Granted Jan 31, 2017·9 cites·19 claims
- 0794US8378760B2Duplexer, communication module, and communication deviceTAIYO YUDEN KK·Filed 2012·Granted Feb 19, 2013·16 cites·6 claims
- 0893US9742377B2Filter and duplexerTAIYO YUDEN KK·Filed 2015·Granted Aug 22, 2017·9 cites·14 claims
- 0993US7872548B2Antenna duplexerTAIYO YUDEN KK·Filed 2008·Granted Jan 18, 2011·30 cites·12 claims
- 1093US7573354B2Duplexer and ladder type filterFUJITSU MEDIA DEVICES LTD·Filed 2006·Granted Aug 11, 2009·28 cites·34 claims
- 1192US10355668B2Acoustic wave deviceTAIYO YUDEN KK·Filed 2015·Granted Jul 16, 2019·9 cites·13 claims
- 1292US7567023B2Piezoelectric thin-film resonator and filter using the sameFUJITSU MEDIA DEVICES LTD·Filed 2007·Granted Jul 28, 2009·24 cites·13 claims
- 1391US8125298B2Acoustic wave filter, duplexer using the acoustic wave filter, and communication apparatus using the duplexerHARA MOTOAKI·Filed 2010·Granted Feb 28, 2012·13 cites·12 claims
- 1490US11108375B2Acoustic wave device, method of fabricating the same, filter, and multiplexerTAIYO YUDEN KK·Filed 2019·Granted Aug 31, 2021·5 cites·11 claims
- 1590US7498899B2Duplexer with filters including film bulk acoustic resonatorsFUJITSU MEDIA DEVICES LTD·Filed 2005·Granted Mar 3, 2009·21 cites·6 claims
- 1687US8279021B2DuplexerHARA MOTOAKI·Filed 2012·Granted Oct 2, 2012·9 cites·16 claims
- 1786US9148107B2Method for manufacturing acoustic wave deviceUEDA MASANORI·Filed 2012·Granted Sep 29, 2015·6 cites·12 claims
- 1885US9240769B2Piezoelectric thin film resonator, filter, communication module and communication deviceSAKASHITA TAKESHI·Filed 2012·Granted Jan 19, 2016·7 cites·16 claims
- 1985US8736149B2Electronic component with metal plate above element and fabrication method of the same, and electronic device including the sameTAIYO YUDEN KK·Filed 2012·Granted May 27, 2014·7 cites·19 claims
- 2084US9270263B2Switching device and moduleTAIYO YUDEN KK·Filed 2014·Granted Feb 23, 2016·6 cites·10 claims
- 2184US8450906B2Piezoelectric thin-film resonatorTANIGUCHI SHINJI·Filed 2012·Granted May 28, 2013·7 cites·13 claims
- 2283US10461718B2Acoustic wave resonator, filter, and multiplexerTAIYO YUDEN KK·Filed 2017·Granted Oct 29, 2019·4 cites·11 claims
- 2383US7737806B2Piezoelectric thin-film resonator and filterFUJITSU MEDIA DEVICES LTD·Filed 2008·Granted Jun 15, 2010·13 cites·13 claims
- 2482US7952257B2Piezoelectric thin-film resonatorTAIYO YUDEN KK·Filed 2009·Granted May 31, 2011·11 cites·15 claims
- 2582US7579761B2Piezoelectric thin-film resonator and filterFUJITSU MEDIA DEVICES LTD·Filed 2006·Granted Aug 25, 2009·11 cites·9 claims
- 2682US2025392279A1Multi-band filter with suppressed shear horizontal modeSKYWORKS SOLUTIONS INC·Filed 2025·Application pending·0 cites
- 2781US8970320B2Filter circuit, duplexer and RF moduleIWAKI MASAFUMI·Filed 2011·Granted Mar 3, 2015·6 cites·10 claims
- 2881US8018298B2Acoustic wave device, filter and duplexerTAIYO YUDEN KK·Filed 2007·Granted Sep 13, 2011·11 cites·11 claims
- 2980US7833430B2Method for fabricating microstructure and microstructureFUJITSU LTD·Filed 2005·Granted Nov 16, 2010·7 cites·28 claims
- 3078US8723623B2Acoustic wave device, method of manufacturing acoustic wave device and transmission apparatusHARA MOTOAKI·Filed 2009·Granted May 13, 2014·9 cites·12 claims
- 3177US10812039B2Acoustic wave resonator, filter, and multiplexerTAIYO YUDEN KK·Filed 2018·Granted Oct 20, 2020·2 cites·20 claims
- 3276US8552820B2Filter, duplexer and communication moduleHARA MOTOAKI·Filed 2012·Granted Oct 8, 2013·4 cites·8 claims
- 3376US8093962B2Filter, duplexer and communication apparatusTANIGUCHI SHINJI·Filed 2009·Granted Jan 10, 2012·8 cites·8 claims
- 3475US8847700B2Filter, duplexer, communication module, communication deviceHARA MOTOAKI·Filed 2012·Granted Sep 30, 2014·4 cites·7 claims
- 3575US7498717B2Resonator, filter and fabrication of resonatorFUJITSU MEDIA DEVICES LTD·Filed 2005·Granted Mar 3, 2009·8 cites·4 claims
- 3674US7482738B2Piezoelectric thin-film resonator and filterFUJITSU MEDIA DEVICES LTD·Filed 2006·Granted Jan 27, 2009·7 cites·9 claims
- 3773US8653908B2Film bulk acoustic resonator, filter, communication module and communication apparatusHARA MOTOAKI·Filed 2008·Granted Feb 18, 2014·7 cites·11 claims
- 3872US12355415B2Multi-band filter with suppressed shear horizontal modeSKYWORKS SOLUTIONS INC·Filed 2023·Granted Jul 8, 2025·0 cites·20 claims
- 3971US9148119B2Filter and duplexerTAIYO YUDEN KK·Filed 2012·Granted Sep 29, 2015·3 cites·18 claims
- 4071US9065419B2Ladder filter, duplexer and moduleHARA MOTOAKI·Filed 2012·Granted Jun 23, 2015·3 cites·17 claims
- 4171US9035722B2Ladder filter, duplexer and moduleHARA MOTOAKI·Filed 2012·Granted May 19, 2015·3 cites·11 claims
- 4270US8125123B2Piezoelectric thin film resonant element and circuit component using the sameNISHIHARA TOKIHIRO·Filed 2009·Granted Feb 28, 2012·6 cites·14 claims
- 4370US7432631B2Piezoelectric thin-film resonator and filter and fabricating methodFUJITSU MEDIA DEVICES LTD·Filed 2005·Granted Oct 7, 2008·6 cites·6 claims
- 4470US7345402B2Piezoelectric thin-film resonator and filter using the sameFUJITSU MEDIA DEVICES LTD·Filed 2006·Granted Mar 18, 2008·6 cites·10 claims
- 4568US8648670B2Filter, duplexer and communication moduleHARA MOTOAKI·Filed 2009·Granted Feb 11, 2014·4 cites·11 claims
- 4668US8085115B2Piezoelectric thin film resonator, filter, and communication apparatusTANIGUCHI SHINJI·Filed 2009·Granted Dec 27, 2011·5 cites·14 claims
- 4766US7884527B2Piezoelectric thin-film resonator and filter using the sameTAIYO YUDEN KK·Filed 2005·Granted Feb 8, 2011·5 cites·11 claims
- 4866US7211931B2Piezoelectric thin-film resonator and filter using the sameFUJITSU LTD·Filed 2004·Granted May 1, 2007·8 cites·7 claims
- 4965US8228138B2Filter element, duplexer and electronic device having piezoelectric thin-film resonators stacked verticallyHARA MOTOAKI·Filed 2011·Granted Jul 24, 2012·2 cites·12 claims
- 5063US7755453B2DuplexerFUJITSU MEDIA DEVICES LTD·Filed 2007·Granted Jul 13, 2010·4 cites·10 claims
Showing the top 50 of 77 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →