Inventor · disambiguated record
Hisanori Ehara
Also filed as: EHARA HISANORI
10 granted patents·1 pending application·327 citations·filing 1997–2009
89Inventor score
Technology areasH03H
Top patents by PatentIndex Score
11 records- 0197US6377140B1Saw resonator filter with bridged-T configurationOKI ELECTRIC IND CO LTD·Filed 2000·Granted Apr 23, 2002·170 cites·16 claims
- 0295US5905418ASurface-acoustic-wave filters with poles of attenuation created by impedance circuitsOKI ELECTRIC IND CO LTD·Filed 1997·Granted May 18, 1999·97 cites·28 claims
- 0384USRE37639ESurface-acoustic-wave filters with poles of attenuation created by impedance circuitsOKI ELECTRIC IND CO LTD·Filed 2000·Granted Apr 9, 2002·25 cites·113 claims
- 0481US6765456B2Surface acoustic wave duplexer and portable communication device using the sameOKI ELECTRIC IND CO LTD·Filed 2001·Granted Jul 20, 2004·22 cites·18 claims
- 0562US6424239B1Differential surface acoustic wave filterOKI ELECTRIC IND CO LTD·Filed 2000·Granted Jul 23, 2002·10 cites·11 claims
- 0650US7545077B2Filter having multiple piezoelectric thin-film resonatorsFUJITSU MEDIA DEVICES LTD·Filed 2007·Granted Jun 9, 2009·1 cites·14 claims
- 0746US8756777B2Method of manufacturing a ladder filterTANIGUCHI SHINJI·Filed 2009·Granted Jun 24, 2014·0 cites·14 claims
- 0843US6911878B2Acoustic wave branching filter having transmitting filter with optimal power handlingOKI ELECTRIC IND CO LTD·Filed 2002·Granted Jun 28, 2005·2 cites·11 claims
- 0943US2008129417A1Ladder type filterTANIGUCHI SHINJI·Filed 2007·Application pending·0 cites
- 1038US7420440B2Transmitting filter including SAW resonatorsOKI ELECTRIC IND CO LTD·Filed 2004·Granted Sep 2, 2008·0 cites·8 claims
- 1136US6861925B2Surface acoustic wave filterOKI ELECTRIC IND CO LTD·Filed 2002·Granted Mar 1, 2005·0 cites·22 claims
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