Patents-Review.com
ClassID:

220808 ⎘

H03H9/6436 - CPC Classification

Classification description:

Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators; Filters using surface acoustic waves; Means for obtaining a particular transfer characteristic; Coupled resonator filters having one acoustic track only

Recent Application in this class:
#1
20250300632
2025-09-25

Double-Mode Surface-Acoustic-Wave (DMS) Filter Having a Modulated Interdigital Transducer

 #2
20240405748
2024-12-05

Acoustic Resonator Cascade

 #3
20230412148
2023-12-21

ACOUSTIC WAVE FILTER

 #4
20230336160
2023-10-19

Acoustic wave filter device

 #5
20210367585
2021-11-25

Double mode surface acoustic wave (SAW) filter

 #6
20210143797
2021-05-13

Multiplexer, high-frequency front end circuit, and communication device

 #7
20210083653
2021-03-18

Acoustic wave filter device

 #8
20210006225
2021-01-07

Low loss temperature compensated surface acoustic wave filter and duplexer

 #9
20200252052
2020-08-06

Acoustic wave filter device

 #10
20200220523
2020-07-09

Multiplexer, high-frequency front end circuit, and communication device

 #11
20200195228
2020-06-18

MULTIPLEXER, TRANSMISSION APPARATUS, AND RECEPTION APPARATUS

 #12
20200127643
2020-04-23

Multiplexer, transmission device, reception device, high-frequency front end circuit, communication device and impedance matching method for multiplexer

 #13
20190363740
2019-11-28

Duplexer and front-end circuit

 #14
20190238116
2019-08-01

Acoustic wave filter device

 #15
20190229702
2019-07-25

Surface acoustic wave device with unidirectional transducer

 #16
20190214970
2019-07-11

Acoustic wave filter device, multiplexer, RF front-end circuit, and communication apparatus

 #17
20190214965
2019-07-11

RF filters and resonators of crystalline III-N films

 #18
20190207583
2019-07-04

Acoustic wave device, filter, and multiplexer

 #19
20190190487
2019-06-20

Elastic wave device and method for manufacturing the same

 #20
20190190480
2019-06-20

Elastic wave device

 #21
20190149312
2019-05-16

Multiplexer, radio-frequency front-end circuit, and communication apparatus

 #22
20190140619
2019-05-09

Multiplexer, transmission device, reception device, high-frequency front end circuit, communication device and impedance matching method for multiplexer

 #23
20190123722
2019-04-25

Multiplexer, high-frequency front end circuit, and communication device

 #24
20190089324
2019-03-21

Acoustic filter

 #25
20190067551
2019-02-28

Elastic wave device, filter, multiplexer, radio-frequency front-end circuit, and communication device

 #26
20190058452
2019-02-21

Multiplexer

 #27
20190052248
2019-02-14

Multiplexer, transmission apparatus, and reception apparatus

 #28
20190044495
2019-02-07

Elastic wave device

 #29
20190036553
2019-01-31

Duplexer and front-end circuit

 #30
20190036508
2019-01-31

Variable frequency filter, radio frequency front-end circuit, and communication terminal

 #31
20190013793
2019-01-10

Multiplexer

 #32
20190007030
2019-01-03

Composite filter device, high-frequency front end circuit, and communication device

 #33
20180269854
2018-09-20

Acoustic wave element, multi plexer, and communication module

 #34
20180262178
2018-09-13

Wave separator

 #35
20180241373
2018-08-23

Elastic wave device

 #36
20180226951
2018-08-09

Acoustic wave filter device

 #37
20180152191
2018-05-31

Filters including loop circuits for phase cancellation

 #38
20180145642
2018-05-24

Radio-frequency module

 #39
20180138891
2018-05-17

Surface acoustic wave filter

 #40
20180123564
2018-05-03

Cascaded resonator

 #41
20180123556
2018-05-03

Multiplexer, high-frequency front end circuit, and communication apparatus

 #42
20180123552
2018-05-03

Filter arrangement with compensation of poor electrical ground

 #43
20180109243
2018-04-19

Multiplexer, transmission device, reception device, high-frequency front end circuit, communication device and impedance matching method for multiplexer

 #44
20180102755
2018-04-12

Elastic wave filter device

 #45
20180097508
2018-04-05

Filter device including longitudinally coupled resonator elastic wave filter and elastic wave resonator

 #46
20180041192
2018-02-08

Radio-frequency (RF) module, and method of manufacturing elastic wave filter

 #47
20180041188
2018-02-08

High-frequency module

 #48
20170331453
2017-11-16

Arrangement comprising a DMS filter and a steep right edge

 #49
20170310305
2017-10-26

Elastic wave device

 #50
20170201230
2017-07-13

Oscillation module, electronic apparatus, and moving object

 #51
20170099043
2017-04-06

Filter devices having improved attenuation characteristics

 #52
20170093371
2017-03-30

Longitudinally coupled resonator-type surface acoustic wave filter

 #53
20170085248
2017-03-23

Elastic wave device

 #54
20170077901
2017-03-16

Surface acoustic wave filter devices

 #55
20170040970
2017-02-09

Surface acoustic wave element

 #56
20160380616
2016-12-29

Surface acoustic wave filter

 #57
20160294360
2016-10-06

Acoustic wave device and antenna duplexer including same

 #58
20160173062
2016-06-16

Duplexer with a ladder filter portion and a specifically connected capacitor or elastic wave resonator

 #59
20160072471
2016-03-10

Elastic wave filter and duplexer using same

 #60
20150130551
2015-05-14

Elastic wave device and duplexing device

 #61
20150084716
2015-03-26

Duplexer

 #62
20140361850
2014-12-11

Resonator, filter, and duplexer

 #63
20140354373
2014-12-04

Acoustic wave device and antenna duplexer including same

 #64
20140125428
2014-05-08

Switching device and module

 #65
20140049341
2014-02-20

Multimode elastic wave device

 #66
20130307637
2013-11-21

Substrate, duplexer and substrate module

 #67
20130214878
2013-08-22

Acoustic wave bandpass filter comprising integrated acoustic guiding

 #68
20130127566
2013-05-23

Filter and duplexer

 #69
20120306594
2012-12-06

Acoustic wave device

 #70
20120293276
2012-11-22

Duplexer, communication module, and communication device

 #71
20120182088
2012-07-19

Duplexer

 #72
20120108167
2012-05-03

Resonator-based filtering

 #73
20120098618
2012-04-26

Surface acoustic wave filter and duplexer using same

 #74
20120068790
2012-03-22

Elastic wave device

 #75
20110193654
2011-08-11

Elastic wave filter device and module including the same

 #76
20110006855
2011-01-13

Elastic wave filter, and duplexer and electronic device using same

 #77
20100308936
2010-12-09

Surface acoustic wave device

 #78
20100301969
2010-12-02

Acoustic wave device having narrower-pitch electrodes, normally-shaped electrodes and apodized electrodes

 #79
20100283555
2010-11-11

Filter and communications apparatus

 #80
20100066462
2010-03-18

Acoustic wave filter device

 #81
20100060372
2010-03-11

Acoustic wave duplexer

 #82
20100052807
2010-03-04

Acoustic wave filter device

 #83
20090121810
2009-05-14

Acoustic wave filter

 #84
20090085692
2009-04-02

Elastic wave filter with tapered IDT electrodes

 #85
20070090895
2007-04-26

Surface acoustic wave device utilizing a terminal routing pattern

 #86
20070069837
2007-03-29

Surface acoustic wave filter

 #87
20060208834
2006-09-21

Balanced-type surface acoustic wave filter

 #88
20060192636
2006-08-31

Surface acoustic wave filter

 #89
20060131992
2006-06-22

One-port surface acoustic wave resonator and surface acoustic wave filter

 #90
20050151602
2005-07-14

Surface acoustic wave device

 #91
20050099247
2005-05-12

Surface acoustic wave filter

 #92
20050030129
2005-02-10

Surface acoustic wave filter and surface acoustic wave resonator having bent electrode fingers

 #93
20050001699
2005-01-06

Saw filter and communication device utilizing a weighted reflector

 #94
20050001696
2005-01-06

Surface acoustic wave device and communication apparatus using the same