Inventor
IWAKI MASAFUMI
JP73 patents
⚠️ This page may combine multiple inventors who share the name “IWAKI MASAFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TAIYO YUDEN KK
17 patentsUS7941103B2May 10, 2011
Duplexer
TAIYO YUDEN KK169 citations99
US7872548B2Jan 18, 2011
Antenna duplexer
TAIYO YUDEN KK30 citations92
US10361678B2Jul 23, 2019
Acoustic wave resonator, filter, and duplexer
TAIYO YUDEN KK14 citations85
US9742377B2Aug 22, 2017
Filter and duplexer
TAIYO YUDEN KK9 citations84
US9559661B2Jan 31, 2017
Duplexer, filter and communication module
TAIYO YUDEN KK9 citations84
US8736149B2May 27, 2014
Electronic component with metal plate above element and fabrication method of the same, and electronic device including the same
TAIYO YUDEN KK7 citations84
US8378760B2Feb 19, 2013
Duplexer, communication module, and communication device
TAIYO YUDEN KK16 citations84
US8018298B2Sep 13, 2011
Acoustic wave device, filter and duplexer
TAIYO YUDEN KK11 citations84
US7952257B2May 31, 2011
Piezoelectric thin-film resonator
TAIYO YUDEN KK11 citations84
US10355668B2Jul 16, 2019
Acoustic wave device
TAIYO YUDEN KK9 citations83
US10700662B2Jun 30, 2020
Acoustic wave device, filter, and multiplexer
TAIYO YUDEN KK9 citations82
US11108375B2Aug 31, 2021
Acoustic wave device, method of fabricating the same, filter, and multiplexer
TAIYO YUDEN KK5 citations73
US10812039B2Oct 20, 2020
Acoustic wave resonator, filter, and multiplexer
TAIYO YUDEN KK2 citations73
US9270263B2Feb 23, 2016
Switching device and module
TAIYO YUDEN KK6 citations73
US10461718B2Oct 29, 2019
Acoustic wave resonator, filter, and multiplexer
TAIYO YUDEN KK4 citations72
US9148119B2Sep 29, 2015
Filter and duplexer
TAIYO YUDEN KK3 citations63
US7884527B2Feb 8, 2011
Piezoelectric thin-film resonator and filter using the same
TAIYO YUDEN KK5 citations63
FUJITSU MEDIA DEVICES LTD
11 patentsUS7567023B2Jul 28, 2009
Piezoelectric thin-film resonator and filter using the same
FUJITSU MEDIA DEVICES LTD24 citations93
US7498899B2Mar 3, 2009
Duplexer with filters including film bulk acoustic resonators
FUJITSU MEDIA DEVICES LTD21 citations93
US7573354B2Aug 11, 2009
Duplexer and ladder type filter
FUJITSU MEDIA DEVICES LTD28 citations92
US7579761B2Aug 25, 2009
Piezoelectric thin-film resonator and filter
FUJITSU MEDIA DEVICES LTD11 citations84
US7498717B2Mar 3, 2009
Resonator, filter and fabrication of resonator
FUJITSU MEDIA DEVICES LTD8 citations84
US7737806B2Jun 15, 2010
Piezoelectric thin-film resonator and filter
FUJITSU MEDIA DEVICES LTD13 citations83
US7482738B2Jan 27, 2009
Piezoelectric thin-film resonator and filter
FUJITSU MEDIA DEVICES LTD7 citations74
US7755453B2Jul 13, 2010
Duplexer
FUJITSU MEDIA DEVICES LTD4 citations63
US7432631B2Oct 7, 2008
Piezoelectric thin-film resonator and filter and fabricating method
FUJITSU MEDIA DEVICES LTD6 citations63
US7368859B2May 6, 2008
Piezoelectric thin-film resonator and filter having the same
FUJITSU MEDIA DEVICES LTD2 citations63
US7345402B2Mar 18, 2008
Piezoelectric thin-film resonator and filter using the same
FUJITSU MEDIA DEVICES LTD6 citations63
HARA MOTOAKI
10 patentsUS8723623B2May 13, 2014
Acoustic wave device, method of manufacturing acoustic wave device and transmission apparatus
HARA MOTOAKI9 citations84
US8653908B2Feb 18, 2014
Film bulk acoustic resonator, filter, communication module and communication apparatus
HARA MOTOAKI7 citations84
US8279021B2Oct 2, 2012
Duplexer
HARA MOTOAKI9 citations84
US8125298B2Feb 28, 2012
Acoustic wave filter, duplexer using the acoustic wave filter, and communication apparatus using the duplexer
HARA MOTOAKI13 citations84
US8847700B2Sep 30, 2014
Filter, duplexer, communication module, communication device
HARA MOTOAKI4 citations73
US8648670B2Feb 11, 2014
Filter, duplexer and communication module
HARA MOTOAKI4 citations73
US9065419B2Jun 23, 2015
Ladder filter, duplexer and module
HARA MOTOAKI3 citations63
US9035722B2May 19, 2015
Ladder filter, duplexer and module
HARA MOTOAKI3 citations63
US8552820B2Oct 8, 2013
Filter, duplexer and communication module
HARA MOTOAKI4 citations63
US8228138B2Jul 24, 2012
Filter element, duplexer and electronic device having piezoelectric thin-film resonators stacked vertically
HARA MOTOAKI2 citations63
NISHIHARA TOKIHIRO
2 patentsTANIGUCHI SHINJI
2 patentsFUJITSU LTD
2 patentsIWAKI MASAFUMI
2 patentsINOUE SHOGO
1 patentSAKASHITA TAKESHI
1 patentUEDA MASANORI
1 patentYOKOYAMA TSUYOSHI
1 patentShowing the top 50 of 73 patents by PatentIndex Score.