Patents-Review.com
ClassID:

220817 ⎘

H03H9/6496 - CPC Classification

Classification description:

Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators; Filters using surface acoustic waves; Compensation of undesirable effects Reducing ripple in transfer characteristic

Recent Application in this class:
#1
20250150059
2025-05-08

ACOUSTIC WAVE ELEMENT, ACOUSTIC WAVE FILTER DEVICE, AND MULTIPLEXER

 #2
20240396520
2024-11-28

HETEROSTRUCTURE AND METHOD OF FABRICATION

 #3
20240162880
2024-05-16

Cascaded resonator having reflector electrodes with different pitches

 #4
20230275559
2023-08-31

Heterostructure and method of fabrication

 #5
20210344322
2021-11-04

SURFACE ACOUSTIC WAVE ELECTROACOUSTIC DEVICE FOR REDUCED TRANSVERSAL MODES

 #6
20210250015
2021-08-12

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

 #7
20210159878
2021-05-27

Cascaded resonator with different reflector pitch

 #8
20210067135
2021-03-04

Elastic wave filter device

 #9
20210058058
2021-02-25

Heterostructure and method of fabrication

 #10
20210050845
2021-02-18

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

 #11
20200412333
2020-12-31

Extractor

 #12
20200403603
2020-12-24

Acoustic wave device

 #13
20200280298
2020-09-03

Heterostructure and method of fabrication

 #14
20200212891
2020-07-02

Acoustic wave filter device and multiplexer

 #15
20200212890
2020-07-02

Acoustic wave filter and multiplexer

 #16
20200195229
2020-06-18

Filter circuit using 90-degree hybrid coupler

 #17
20200067489
2020-02-27

Acoustic wave filter device, multiplexer and composite filter device

 #18
20190393857
2019-12-26

Acoustic wave device, acoustic wave device package, multiplexer, radio-frequency front-end circuit, and communication device

 #19
20190379353
2019-12-12

Extractor

 #20
20190181836
2019-06-13

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

 #21
20190149132
2019-05-16

Filter devices having reduced spurious emissions from lamb waves

 #22
20190149131
2019-05-16

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

 #23
20190131954
2019-05-02

Elastic wave filter device

 #24
20190123721
2019-04-25

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

 #25
20190123713
2019-04-25

Acoustic wave device

 #26
20190097607
2019-03-28

Elastic wave device

 #27
20180254765
2018-09-06

Elastic wave device

 #28
20180159498
2018-06-07

Heterostructure and method of fabrication

 #29
20180102755
2018-04-12

Elastic wave filter device

 #30
20180097508
2018-04-05

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

 #31
20180062612
2018-03-01

Elastic wave device

 #32
20180041194
2018-02-08

Multiplexer

 #33
20170353174
2017-12-07

Filter devices having reduced spurious emissions from lamb waves

 #34
20170250674
2017-08-31

Elastic wave detection

 #35
20170077902
2017-03-16

Elastic wave device and ladder filter

 #36
20170063339
2017-03-02

Surface acoustic wave (SAW) resonator

 #37
20160380614
2016-12-29

SAW resonator with resonant cavities

 #38
20160294361
2016-10-06

Elastic wave device and filter device

 #39
20160294359
2016-10-06

Surface acoustic wave filter having metal parts on a passivation part

 #40
20160268997
2016-09-15

Acoustic wave elements, antenna duplexers and electronic devices

 #41
20160094201
2016-03-31

Surface acoustic wave filter device and duplexer

 #42
20140191826
2014-07-10

Piezoelectric thin film resonator and filter

 #43
20130314178
2013-11-28

Ladder filter device and elastic wave resonator

 #44
20130257562
2013-10-03

Acoustic wave filter having reduced non-linearities, and method for production

 #45
20130154763
2013-06-20

Elastic wave branching filter

 #46
20120044027
2012-02-23

Acoustic wave resonator and duplexer using same

 #47
20100194496
2010-08-05

Elastic wave resonator, elastic wave filter, and antenna sharing device using the same

 #48
20100097161
2010-04-22

Surface acoustic wave filter, antenna duplexer and method for manufacturing them

 #49
20090115554
2009-05-07

Electronic part and electronic equipment with electronic part

 #50
20080258846
2008-10-23

Elastic wave filter utilizing a sub-propagation mode response to increase out of band attenuation

 #51
20080018417
2008-01-24

Surface acoustic wave resonator and surface acoustic wave filter using the same

 #52
20070052499
2007-03-08

Balanced type surface acoustic wave filter

 #53
20070046400
2007-03-01

Surface acoustic wave apparatus

 #54
20070001785
2007-01-04

Surface acoustic wave device

 #55
20060226933
2006-10-12

Surface acoustic wave filter utilizing a floating electrode

 #56
20060158800
2006-07-20

Electronic part with a comb electrode and protective film and electronic equipment including same

 #57
20050190014
2005-09-01

Surface acoustic wave device

 #58
20050093650
2005-05-05

Surface wave devices with low passband ripple