Patents-Review.com
ClassID:

220791 ⎘

H03H9/587 - CPC Classification

Classification description:

Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators; Filters comprising resonators of piezo-electric or electrostrictive material; Multiple crystal filters implemented with thin-film techniques; Means for mounting to a substrate, i.e. means constituting the material interface confining the waves to a volume Air-gaps

Recent Application in this class:
#1
20260128727
2026-05-07

ACOUSTIC WAVE DEVICE

 #2
20260121617
2026-04-30

DEVICE WITH PIEZOELECTRIC FILM ON SEMICONDUCTOR SUBSTRATE

 #3
20260121609
2026-04-30

ACOUSTIC WAVE DEVICE

 #4
20250350263
2025-11-13

STACKED BULK ACOUSTIC WAVE RESONATORS

 #5
20240322793
2024-09-26

ACOUSTIC WAVE DEVICE AND COMPOSITE FILTER DEVICE

 #6
20240014802
2024-01-11

ACOUSTIC WAVE DEVICE

 #7
20240014796
2024-01-11

ACOUSTIC WAVE DEVICE

 #8
20230327645
2023-10-12

ACOUSTIC WAVE DEVICE WITH TRENCH PORTIONS AND NARROW INTERDIGITAL TRANSDUCER TIP PORTIONS FOR TRANSVERSE MODE SUPPRESSION

 #9
20230327642
2023-10-12

ACOUSTIC WAVE DEVICE WITH TRENCH PORTIONS FOR TRANSVERSE MODE SUPPRESSION

 #10
20230188115
2023-06-15

BULK ACOUSTIC WAVE FILTERS FOR IMPROVING NOISE FACTOR

 #11
20230141873
2023-05-11

ACOUSTIC WAVE DEVICE

 #12
20220376672
2022-11-24

Bulk acoustic wave filter and method of manufacturing bulk acoustic wave filter

 #13
20220014170
2022-01-13

Lamb wave loop circuit for acoustic wave filter

 #14
20220014169
2022-01-13

LAMB WAVE RESONATOR AND OTHER TYPE OF ACOUSTIC WAVE RESONATOR INCLUDED IN ONE OR MORE FILTERS

 #15
20210281233
2021-09-09

Bulk acoustic wave filter and a method of frequency tuning for bulk acoustic wave resonator of bulk acoustic wave filter

 #16
20200266790
2020-08-20

Thin-film bulk acoustic resonator and semiconductor apparatus comprising the same

 #17
20200177148
2020-06-04

Method for fabricating bulk acoustic wave resonator with mass adjustment structure

 #18
20200169238
2020-05-28

Bulk acoustic wave filter and a method of frequency tuning for bulk acoustic wave resonator of bulk acoustic wave filter

 #19
20190348963
2019-11-14

Bulk acoustic wave resonator having openings in an active area and a pillar beneath the opening

 #20
20190273479
2019-09-05

Lamb wave resonator and other type of acoustic wave resonator included in one or more filters

 #21
20190273478
2019-09-05

Lamb wave element and bulk acoustic wave resonator on common substrate

 #22
20190245515
2019-08-08

Single crystal piezoelectric RF resonators and filters with improved cavity definition

 #23
20190245509
2019-08-08

Method for fabricating single crystal piezoelectric RF resonators and filters with improved cavity definition

 #24
20190229705
2019-07-25

FBAR devices having multiple epitaxial layers stacked on a same substrate

 #25
20190214965
2019-07-11

RF filters and resonators of crystalline III-N films

 #26
20190199322
2019-06-27

Film bulk acoustic resonator (FBAR) devices with 2DEG bottom electrode

 #27
20190199316
2019-06-27

5.5 GHz Wi-fi 5G coexistence acoustic wave resonator RF filter circuit

 #28
20190199312
2019-06-27

Single-flipped resonator devices with 2DEG bottom electrode

 #29
20190190490
2019-06-20

Acoustically coupled resonator notch and bandpass filters

 #30
20190190483
2019-06-20

BULK ACOUSTIC WAVE RESONATOR

 #31
20190181907
2019-06-13

System and method for a radio frequency filter

 #32
20190181839
2019-06-13

System and method for a radio frequency filter

 #33
20190181837
2019-06-13

System and method for a radio frequency filter

 #34
20190181835
2019-06-13

Acoustically coupled resonator notch and bandpass filters

 #35
20190181834
2019-06-13

Acoustically coupled resonator notch and bandpass filters

 #36
20190181832
2019-06-13

System and method for a radio frequency filter

 #37
20190181827
2019-06-13

Tunable resonator element, filter circuit and method

 #38
20190181825
2019-06-13

System and method for a radio frequency filter

 #39
20190181824
2019-06-13

Tunable resonator element, filter circuit and method

 #40
20190140618
2019-05-09

Filter

 #41
20190020327
2019-01-17

5.2 GHz Wi-Fi coexistence acoustic wave resonator RF filter circuit

 #42
20180367113
2018-12-20

5.9 GHz c-V2X and DSRC acoustic wave resonator RF filter circuit

 #43
20180309422
2018-10-25

5.2 GHz Wi-Fi acoustic wave resonator RF filter circuit

 #44
20180294796
2018-10-11

Filter and filter module

 #45
20180294792
2018-10-11

BAW resonator and BAW filter for reducing harmonic distortion

 #46
20180278231
2018-09-27

Single crystal piezoelectric RF resonators and filters

 #47
20180234076
2018-08-16

Acoustic resonators with reduced loss characteristics and methods of manufacturing same

 #48
20180226948
2018-08-09

Filter and front end module including the same

 #49
20180226946
2018-08-09

Filter module and front-end module including the same

 #50
20180219528
2018-08-02

Piezoelectric thin film resonator with insertion film, filter, and multiplexer

 #51
20180191327
2018-07-05

Bulk acoustic wave filter and a method of frequency tuning for bulk acoustic wave resonator of bulk acoustic wave filter

 #52
20180191322
2018-07-05

Method for fabricating bulk acoustic wave resonator with mass adjustment structure

 #53
20180175275
2018-06-21

Piezoelectric thin film resonator, filter, and multiplexer

 #54
20180159508
2018-06-07

Filter and multiplexer

 #55
20180123558
2018-05-03

Bulk acoustic wave resonator

 #56
20180123553
2018-05-03

Filter including bulk acoustic wave resonator

 #57
20170285695
2017-10-05

Piezoelectric package-integrated film bulk acoustic resonator devices

 #58
20170271741
2017-09-21

Acoustic wave filter and duplexer

 #59
20170264263
2017-09-14

Manufacturing of thin-film bulk acoustic resonator and semiconductor apparatus comprising the same

 #60
20170237411
2017-08-17

Acoustic wave filter and method for manufacturing the same

 #61
20170201234
2017-07-13

Filter chip and method for producing a filter chip

 #62
20170170809
2017-06-15

Piezoelectric thin film resonator, filter, and duplexer

 #63
20170170807
2017-06-15

Piezoelectric thin film resonator and filter

 #64
20170047907
2017-02-16

Acoustic resonator device with an electrically-isolated layer of high-acoustic-impedance material interposed therein

 #65
20160301380
2016-10-13

Bulk acoustic wave resonator and filter including the same

 #66
20160164489
2016-06-09

Bulk acoustic wave resonator and filter

 #67
20150341015
2015-11-26

Electrical resonator

 #68
20150137908
2015-05-21

Acoustic wave filter and duplexer

 #69
20150130560
2015-05-14

Piezoelectric thin-film resonator, filter and duplexer utilizing a piezoelectric film having an air space

 #70
20140132117
2014-05-15

Method of fabricating rare-earth doped piezoelectric material with various amounts of dopants and a selected C-axis orientation

 #71
20140125428
2014-05-08

Switching device and module

 #72
20130321100
2013-12-05

Laterally-coupled acoustic resonators

 #73
20130314177
2013-11-28

Acoustic resonator comprising collar, frame and perimeter distributed bragg reflector

 #74
20130147320
2013-06-13

Bulk acoustic wave resonator and manufacturing method thereof, and radio frequency device using bulk acoustic wave resonator

 #75
20130106248
2013-05-02

Bulk acoustic resonator comprising piezoelectric layer and inverse piezoelectric layer

 #76
20130063226
2013-03-14

Double film bulk acoustic resonator having electrode edge alignments providing improved quality factor or electromechanical coupling coefficient

 #77
20120313725
2012-12-13

Filter, duplexer, communication module and communication device

 #78
20120280767
2012-11-08

Double film bulk acoustic resonators with electrode layer and piezo-electric layer thicknesses providing improved quality factor

 #79
20120218060
2012-08-30

Bulk acoustic wave resonator comprising bridge formed within piezoelectric layer

 #80
20120218059
2012-08-30

Stacked bulk acoustic resonator comprising a bridge and an acoustic reflector along a perimeter of the resonator

 #81
20120218058
2012-08-30

Coupled resonator filter comprising a bridge and frame elements

 #82
20120177816
2012-07-12

Method of fabricating piezoelectric materials with opposite C-axis orientations

 #83
20120146744
2012-06-14

Acoustic wave device and method for manufacturing the same

 #84
20120104900
2012-05-03

Acoustic wave device

 #85
20120074811
2012-03-29

Acoustic wave devices

 #86
20110304412
2011-12-15

Acoustic Wave Resonators and Methods of Manufacturing Same

 #87
20110304243
2011-12-15

Thin-Film Piezoelectric Acoustic Wave Resonator and High-Frequency Filter

 #88
20110237204
2011-09-29

Bulk acoustic resonator structure comprising hybrid electrodes

 #89
20110204997
2011-08-25

Bulk acoustic resonator structures comprising a single material acoustic coupling layer comprising inhomogeneous acoustic property

 #90
20110204996
2011-08-25

Acoustic coupling layer for coupled resonator filters and method of fabricating acoustic coupling layer

 #91
20110204995
2011-08-25

Acoustically coupled resonator filter with impedance transformation ratio controlled by resonant frequency difference between two coupled resonators

 #92
20110084779
2011-04-14

Bulk acoustic wave resonator and method of fabricating same

 #93
20110047783
2011-03-03

METHOD OF MANUFACTURING VERTICALLY SEPARATED ACOUSTIC FILTERS AND RESONATORS

 #94
20100327701
2010-12-30

Method of manufacturing an electrical resonator

 #95
20100117762
2010-05-13

Resonator, filter and electronic device

 #96
20100096358
2010-04-22

Method of manufacturing a ladder filter

 #97
20100019866
2010-01-28

Acoustic wave device, method of manufacturing acoustic wave device and transmission apparatus

 #98
20090273416
2009-11-05

Frequency-variable acoustic thin film resonator, filter and communication apparatus using the same

 #99
20090273415
2009-11-05

Bulk acoustic resonator electrical impedance transformers

 #100
20090096547
2009-04-16

ACOUSTICALLY COUPLED RESONATORS AND METHOD OF MAKING THE SAME

 #101
20090086654
2009-04-02

Single stack coupled resonators having differential output

 #102
20090079514
2009-03-26

HYBRID ACOUSTIC RESONATOR-BASED FILTERS

 #103
20080179995
2008-07-31

Piezoelectric thin-film resonator

 #104
20080129417
2008-06-05

Ladder type filter

 #105
20080129416
2008-06-05

Switchable filter with resonators

 #106
20070296523
2007-12-27

Piezoelectric filter, antenna duplexer, and communications apparatus employing piezoelectric resonator

 #107
20070210878
2007-09-13

Piezoelectric thin film device having a drive section with a weighted portion

 #108
20070182510
2007-08-09

Multi-band filter module and method of fabricating the same

 #109
20070176710
2007-08-02

Impedance transforming bulk acoustic wave baluns

 #110
20070171002
2007-07-26

Dual path acoustic data coupling system and method

 #111
20070170815
2007-07-26

Acoustic data coupling system and method

 #112
20070170565
2007-07-26

RF module with multi-stack structure

 #113
20070139141
2007-06-21

Acoustic devices using an AlGaN piezoelectric region

 #114
20070139139
2007-06-21

Coupled resonator filter and fabrication method thereof

 #115
20070120625
2007-05-31

Film bulk acoustic resonator (FBAR) devices with temperature compensation

 #116
20070115079
2007-05-24

Piezoelectric filter

 #117
20070090892
2007-04-26

Acoustic galvanic isolator incorporating single decoupled stacked bulk acoustic resonator

 #118
20070086080
2007-04-19

Acoustic galvanic isolator incorporating series-connected decoupled stacked bulk acoustic resonators

 #119
20070085632
2007-04-19

Acoustic galvanic isolator

 #120
20070085631
2007-04-19

Acoustic galvanic isolator incorporating film acoustically-coupled transformer

 #121
20070085447
2007-04-19

Acoustic galvanic isolator incorporating single insulated decoupled stacked bulk acoustic resonator with acoustically-resonant electrical insulator

 #122
20070063622
2007-03-22

Adjusted frequency temperature coefficient resonator

 #123
20070035364
2007-02-15

Titanium-tungsten alloy based mirrors and electrodes in bulk acoustic wave devices

 #124
20070024395
2007-02-01

Film bulk acoustic resonator, filter circuit and method for manufacturing a film bulk acoustic resonator

 #125
20060284707
2006-12-21

Suspended device and method of making

 #126
20060232361
2006-10-19

Acoustically coupled resonators and method of making the same

 #127
20060214745
2006-09-28

Air-gap type FBAR, and duplexer using the FBAR

 #128
20060185139
2006-08-24

Method of making an acoustically coupled transformer

 #129
20060158284
2006-07-20

Method of manufacturing vertically separated acoustic filters and resonators

 #130
20060152305
2006-07-13

Vertically separated acoustic filters and resonators

 #131
20060114080
2006-06-01

Stacked bulk acoustic resonator band-pass filter with controllable pass bandwidth

 #132
20060098059
2006-05-11

Semiconductor device having actuator

 #133
20060016070
2006-01-26

Vertically separated acoustic filters and resonators

 #134
20060006768
2006-01-12

Piezoelectric resonator and method for fabricating the same

 #135
20050224900
2005-10-13

Electro mechanical device having a sealed cavity

 #136
20050184830
2005-08-25

Vertically separated acoustic filters and resonators

 #137
20050168104
2005-08-04

Acoustic resonator device

 #138
20050142888
2005-06-30

Film bulk acoustic resonator and method for manufacturing the same

 #139
20050140466
2005-06-30

Decoupled stacked bulk acoustic resonator-based band-pass filter

 #140
20050134147
2005-06-23

Acoustic resonator device, filter device, manufacturing method for acoustic resonator device, and communication apparatus

 #141
20050128030
2005-06-16

Impedance transformation ratio control in film acoustically-coupled transformers

 #142
20050128027
2005-06-16

Air-gap type FBAR, method for fabricating the same, and filter and duplexer using the same

 #143
20050110598
2005-05-26

Temperature-compensated film bulk acoustic resonator (FBAR) devices

 #144
20050110597
2005-05-26

Film bulk acoustic resonator (FBAR) devices with simplified packaging

 #145
20050110369
2005-05-26

Piezoelectric element, composite piezoelectric element, and filter, duplexer and communication equipment using the same

 #146
20050104690
2005-05-19

Cavity-less film bulk acoustic resonator (FBAR) devices

 #147
20050099092
2005-05-12

Piezoelectric device, antenna duplexer, and method of manufacturing piezoelectric resonators used therefor

 #148
20050093659
2005-05-05

Film acoustically-coupled transformer with increased common mode rejection

 #149
20050093658
2005-05-05

Pass bandwidth control in decoupled stacked bulk acoustic resonator devices

 #150
20050093657
2005-05-05

Film acoustically-coupled transformer with reverse C-axis piezoelectric material

 #151
20050093656
2005-05-05

Thin-film acoustically-coupled transformer

 #152
20050093655
2005-05-05

Film acoustically-coupled transformer

 #153
20050093654
2005-05-05

Decoupled stacked bulk acoustic resonator band-pass filter with controllable pass bandwith

 #154
20050093653
2005-05-05

Stacked bulk acoustic resonator band-pass filter with controllable pass bandwidth

 #155
20050093397
2005-05-05

Method of producing thin film bulk acoustic resonator

 #156
20050093396
2005-05-05

Film acoustically-coupled transformers with two reverse c-axis piezoelectric elements