Patents-Review.com
ClassID:

220715 ⎘

H03H9/14582 - CPC Classification

Classification description:

Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators; Details; Driving means, e.g. electrodes, coils for networks using surface acoustic waves; Transducers of particular shape or position; Transducers whereby only the last fingers have different characteristics with respect to the other fingers, e.g. different shape, thickness or material, split finger the last fingers having a different pitch

Recent Application in this class:
#1
20230010291
2023-01-12

SURFACE ACOUSTIC WAVE RESONATOR WITH ASYMMETRIC REFLECTORS

 #2
20230009576
2023-01-12

Surface acoustic wave resonator with modulated pitch

 #3
20230008248
2023-01-12

Multimode longitudinally coupled surface acoustic wave resonator with modulated pitch

 #4
20220416762
2022-12-29

Surface acoustic wave resonator, acoustic wave filter, and multiplexer

 #5
20210391847
2021-12-16

Transversely-excited film bulk acoustic resonator with interdigital transducer with varied mark and pitch

 #6
20210184324
2021-06-17

Filter device

 #7
20210152150
2021-05-20

Transversely-excited film bulk acoustic resonator with interdigital transducer with varied mark and pitch

 #8
20210067138
2021-03-04

Transversely-excited film bulk acoustic resonator with interdigital transducer with varied mark and pitch

 #9
20210058060
2021-02-25

Acoustic wave device with varying electrode pitch

 #10
20210044273
2021-02-11

Transducer structure for source suppression in saw filter devices

 #11
20200274519
2020-08-27

Reduced-size guided-surface acoustic wave (SAW) devices

 #12
20200212890
2020-07-02

Acoustic wave filter and multiplexer

 #13
20190199321
2019-06-27

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

 #14
20190158060
2019-05-23

Surface acoustic wave filter, high frequency module, and multiplexer

 #15
20190089324
2019-03-21

Acoustic filter

 #16
20190036554
2019-01-31

Acoustic wave resonator, acoustic wave filter, multiplexer, and communication apparatus

 #17
20180367121
2018-12-20

Band elimination filter and composite filter

 #18
20180294402
2018-10-11

Acoustic wave resonator, filter, and multiplexer

 #19
20180123564
2018-05-03

Cascaded resonator

 #20
20170222624
2017-08-03

Acoustic wave element, filter element, and communication device

 #21
20170194936
2017-07-06

Surface acoustic wave device, duplexer and comb-shaped electrode

 #22
20170085248
2017-03-23

Elastic wave device

 #23
20160380614
2016-12-29

SAW resonator with resonant cavities

 #24
20160056791
2016-02-25

Elastic wave resonator including a constant pitch region with a tapering width

 #25
20150236665
2015-08-20

Method for manufacturing surface acoustic wave apparatus

 #26
20140049341
2014-02-20

Multimode elastic wave device

 #27
20130214873
2013-08-22

Elastic wave demultiplexer

 #28
20120262246
2012-10-18

Elastic wave filter and communication device

 #29
20120187799
2012-07-26

Surface acoustic wave device

 #30
20120146746
2012-06-14

Surface acoustic wave device

 #31
20120038435
2012-02-16

ELASTIC WAVE APPARATUS

 #32
20110199163
2011-08-18

Surface acoustic wave resonator, surface acoustic wave oscillator, and surface acoustic wave module unit

 #33
20110156842
2011-06-30

Elastic wave filter device with IDT electrodes that include a narrower-pitch portion

 #34
20110043075
2011-02-24

Surface acoustic wave device with IDT electrodes having different electrode finger pitches and communication apparatus using same

 #35
20100301969
2010-12-02

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

 #36
20100219912
2010-09-02

Surface acoustic wave device and communication device

 #37
20100043189
2010-02-25

Method for manufacturing surface acoustic wave apparatus

 #38
20090289740
2009-11-26

ACOUSTIC WAVE FILTER APPARATUS AND DUPLEXER

 #39
20090160574
2009-06-25

Boundary acoustic wave filter

 #40
20090116340
2009-05-07

Surface acoustic wave device and communication apparatus

 #41
20090108960
2009-04-30

Surface acoustic wave resonator, and surface acoustic wave filter

 #42
20080024246
2008-01-31

Filter having multiple surface acoustic wave filters connected in parallel

 #43
20070236308
2007-10-11

Acoustic wave filter device and duplexer

 #44
20070188271
2007-08-16

Balanced saw filter

 #45
20070182511
2007-08-09

Balanced saw filter

 #46
20070152778
2007-07-05

Balanced-type surface acoustic wave filter

 #47
20070126531
2007-06-07

Balanced acoustic wave filter device

 #48
20070052499
2007-03-08

Balanced type surface acoustic wave filter

 #49
20070024397
2007-02-01

Surface acoustic wave resonator, surface acoustic wave device, and communications equipment

 #50
20060208834
2006-09-21

Balanced-type surface acoustic wave filter

 #51
20050212621
2005-09-29

Surface acoustic wave filter and communication unit

 #52
20050001699
2005-01-06

Saw filter and communication device utilizing a weighted reflector

 #53
20050001696
2005-01-06

Surface acoustic wave device and communication apparatus using the same