ClassID:

220620

H03H9/02818 - CPC Classification

Classification description:

Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators; Details of surface acoustic wave devices Means for compensation or elimination of undesirable effects

Sub-classes:
Recent Application in this class:
#1
20260128729
2026-05-07

ACOUSTIC WAVE DEVICE

#2
20260121618
2026-04-30

MULTILAYER PIEZOELECTRIC SUBSTRATE DEVICE WITH MODIFIED INTERDIGITAL TRANSDUCER STRUCTURE TO IMPROVE INSERTION LOSS

#3
20260121615
2026-04-30

MULTILAYER PIEZOELECTRIC SUBSTRATE NONLINEARITY IMPROVEMENT WITHIN THE STACK OF LAYERS

#4
20260100689
2026-04-09

MULTILAYER PIEZOELECTRIC SUBSTRATE DEVICE WITH REDUCED NONLINEAR RESPONSE AND INTERDIGITAL TRANSDUCER ELECTRODES WITH RANDOMLY ORIENTED CRYSTALLOGRAPHIC DOMAINS

#5
20260066871
2026-03-05

Surface Acoustic Wave Device for Reducing Noise

#6
20260039276
2026-02-05

MULTILAYER PIEZOELECTRIC SUBSTRATE DEVICE WITH REDUCED RADIATION LOSS

#7
20260019060
2026-01-15

ACOUSTIC WAVE DEVICE, ACOUSTIC WAVE MODULE, FILTER DEVICE, MULTIPLEXER, AND COMMUNICATION APPARATUS

#8
20250350258
2025-11-13

ACOUSTIC WAVE DEVICE

#9
20250337390
2025-10-30

Elastic Wave Device

#10
20250330139
2025-10-23

PISTON MODE FOR SURFACE ACOUSTIC WAVE DEVICE

#11
20250317118
2025-10-09

ACOUSTIC WAVE DEVICE AND FILTER DEVICE

#12
20250266804
2025-08-21

SULFUR HEXAFLUORIDE FILLED SURFACE ACOUSTIC WAVE (SAW) THIN-FILM ACOUSTIC PACKAGE (TFAP) DOMES

#13
20250260384
2025-08-14

ACOUSTIC WAVE DEVICE

#14
20250175140
2025-05-29

STRUCTURE OF ACOUSTIC WAVE FILTER

#15
20250150059
2025-05-08

ACOUSTIC WAVE ELEMENT, ACOUSTIC WAVE FILTER DEVICE, AND MULTIPLEXER

#16
20250141431
2025-05-01

SURFACE ACOUSTIC WAVE FILTER, APPARATUS, AND ELECTRONIC DEVICE

#17
20250088175
2025-03-13

PIEZOELECTRIC TRENCHES INTERLEAVED WITH HEAVY-METAL ELECTRODES OF A SAW RESONATOR

#18
20250070747
2025-02-27

SYSTEMS FOR ABSORBING FLEXURAL WAVES ACTING UPON A STRUCTURE USING MONOPOLE AND DIPOLE RESONANCE

#19
20250062741
2025-02-20

Surface acoustic wave resonator device and manufacturing method therefor and filter

#20
20250007491
2025-01-02

ACOUSTIC WAVE DEVICES AND MODULES COMPRISING SAME

#21
20240380378
2024-11-14

SURFACE ACOUSTIC WAVE RESONANCE DEVICE AND METHOD FOR FORMING SAME, FILTER DEVICE, AND RADIO FREQUENCY FRONT END DEVICE

#22
20240356518
2024-10-24

ELASTIC WAVE DEVICE WITH SUB-WAVELENGTH THICK PIEZOELECTRIC LAYER AND HIGH VELOCITY LAYER

#23
20240322785
2024-09-26

ACOUSTIC WAVE DEVICE, FILTER, BRANCHING APPARATUS, AND COMMUNICATION DEVICE

#24
20240275355
2024-08-15

FILTER CIRCUIT AND ELECTRONIC DEVICE

#25
20240223154
2024-07-04

ACOUSTIC WAVE DEVICE

#26
20240186977
2024-06-06

Surface acoustic wave resonator device and method for manufacturing the same, and filter

#27
20240162885
2024-05-16

EXTRACTOR

#28
20240113680
2024-04-04

SURFACE ACOUSTIC WAVE DEVICES WITH HIGH ELECTROMECHANICAL COUPLING COEFFICIENT AND THERMAL STABILITY

#29
20240113679
2024-04-04

SURFACE ACOUSTIC WAVE DEVICES WITH LITHIUM NIOBATE PIEZOELECTRIC MATERIAL

#30
20240049605
2024-02-08

ACOUSTIC WAVE DEVICE

#31
20240048116
2024-02-08

ACOUSTIC WAVE DEVICE

#32
20240039508
2024-02-01

Surface Acoustic Wave Resonator and Manufacturing Method Therefor

#33
20240007081
2024-01-04

ACOUSTIC WAVE DEVICE

#34
20230412144
2023-12-21

Elastic wave device

#35
20230412142
2023-12-21

PIEZOELECTRIC LAYER ARRANGEMENTS IN ACOUSTIC WAVE DEVICES AND RELATED METHODS

#36
20230353123
2023-11-02

ACOUSTIC WAVE DEVICE

#37
20230223916
2023-07-13

ACOUSTIC WAVE DEVICE

#38
20230198496
2023-06-22

Capacitive element and elastic wave device

#39
20230111849
2023-04-13

METHOD OF MAKING PACKAGED ACOUSTIC WAVE DEVICES WITH MULTILAYER PIEZOELECTRIC SUBSTRATE

#40
20230040371
2023-02-09

ACOUSTIC WAVE DEVICE

#41
20230039830
2023-02-09

ACOUSTIC WAVE DEVICE

#42
20230032325
2023-02-02

ACOUSTIC WAVE DEVICE WITH DIELECTRIC LAYER FOR TRANSVERSE LEAKAGE SUPPRESSION

#43
20230031753
2023-02-02

ACOUSTIC WAVE DEVICE WITH DIELECTRIC LAYER FOR REDUCED TRANSVERSE LEAKAGE

#44
20230018882
2023-01-19

ACOUSTIC WAVE DEVICE

#45
20220360249
2022-11-10

TRANSDUCER STRUCTURE FOR SINGLE-PORT RESONATOR WITH TRANSVERSE MODE SUPPRESSION

#46
20220352871
2022-11-03

Acoustic wave resonator, filter, and multiplexer

#47
20220109419
2022-04-07

Cascaded surface acoustic wave devices with apodized interdigital transducers

#48
20220094333
2022-03-24

Low loss acoustic device

#49
20220069804
2022-03-03

Thin-film surface-acoustic-wave filter using lithium niobate

#50
20220052666
2022-02-17

Filter device and multiplexer

#51
20210265976
2021-08-26

Extractor

#52
20210250013
2021-08-12

Acoustic wave device, high-frequency front end circuit, and communication device

#53
20210050840
2021-02-18

Elastic wave device with sub-wavelength thick piezoelectric layer and high velocity layer

#54
20200304096
2020-09-24

Acoustic wave device

#55
20200259482
2020-08-13

Radio frequency multiplexer

#56
20200259480
2020-08-13

Low loss acoustic device

#57
20200186127
2020-06-11

Filter device and method for manufacturing the same

#58
20200177154
2020-06-04

Filter device and multiplexer

#59
20200169242
2020-05-28

Acoustic wave element

#60
20200144983
2020-05-07

Wireless sensor system for harsh environment

#61
20200007109
2020-01-02

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

#62
20190393861
2019-12-26

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

#63
20190379350
2019-12-12

High frequency module

#64
20190356296
2019-11-21

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

#65
20190341905
2019-11-07

Acoustic wave device, high-frequency front end circuit, and communication device

#66
20190312563
2019-10-10

Acoustic wave device, radio frequency front-end module, and communication device

#67
20190288668
2019-09-19

Elastic wave device, high-frequency front end circuit, and communication apparatus

#68
20190288661
2019-09-19

Composite substrate for surface acoustic wave device, method of producing composite substrate for surface acoustic wave device, and surface acoustic wave device using composite substrate

#69
20190238111
2019-08-01

Acoustic wave device, filter, and multiplexer

#70
20190222195
2019-07-18

Acoustic wave resonator, filter, and multiplexer

#71
20190149128
2019-05-16

Elastic wave device, high-frequency front-end circuit, and communication apparatus

#72
20190089330
2019-03-21

Elastic wave device

#73
20190058452
2019-02-21

Multiplexer

#74
20190044495
2019-02-07

Elastic wave device

#75
20190013791
2019-01-10

Guided surface acoustic wave device providing spurious mode rejection

#76
20180351531
2018-12-06

ELECTROACOUSTIC TRANSDUCER HAVING FEWER SECOND-ORDER NONLINEARITIES

#77
20180262179
2018-09-13

Acoustic wave device with acoustically separated multi-channel feedback

#78
20180254766
2018-09-06

Acoustic wave module

#79
20180254765
2018-09-06

Elastic wave device

#80
20180182950
2018-06-28

Elastic wave device

#81
20180159507
2018-06-07

Elastic wave device with sub-wavelength thick piezoelectric layer and high velocity layer

#82
20180123553
2018-05-03

Filter including bulk acoustic wave resonator

#83
20180062063
2018-03-01

Elastic wave device

#84
20180019727
2018-01-18

Saw-based electronic elements and filter devices

#85
20170373666
2017-12-28

Surface acoustic wave filter, duplexer, and multiplexer

#86
20170324394
2017-11-09

SAW TRANSDUCER WITH SUPPRESSED MODE CONVERSION

#87
20170288640
2017-10-05

Delay compensation apparatus

#88
20170222619
2017-08-03

Elastic wave device

#89
20170222618
2017-08-03

Guided surface acoustic wave device providing spurious mode rejection

#90
20170201229
2017-07-13

Acoustic wave resonator, filter, and duplexer

#91
20170077901
2017-03-16

Surface acoustic wave filter devices

#92
20170063332
2017-03-02

Surface acoustic wave (SAW) resonator having trap-rich region

#93
20170063331
2017-03-02

Surface acoustic wave (SAW) resonator

#94
20170063329
2017-03-02

Surface acoustic wave (SAW) resonator

#95
20170005638
2017-01-05

Elastic wave filter device

#96
20160380614
2016-12-29

SAW resonator with resonant cavities

#97
20160294359
2016-10-06

Surface acoustic wave filter having metal parts on a passivation part

#98
20160285431
2016-09-29

Surface acoustic wave filter

#99
20160142040
2016-05-19

Demultiplexing apparatus with heat transfer via electrodes

#100
20160072476
2016-03-10

RF component with reduced coupling and suitable for miniaturization

#101
20160056791
2016-02-25

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

#102
20160028373
2016-01-28

High rejection surface acoustic wave duplexer

#103
20160020749
2016-01-21

Microacoustic component and method for the production thereof

#104
20160006409
2016-01-07

Radio frequency switching system with improved linearity

#105
20150333731
2015-11-19

Elastic wave element with interdigital transducer electrode

#106
20150280689
2015-10-01

Surface acoustic wave device and filter

#107
20150270824
2015-09-24

Electroacoustic component and method for the production thereof

#108
20150263672
2015-09-17

Crystal oscillator with reduced acceleration sensitivity

#109
20150123746
2015-05-07

Surface acoustic wave device and filter

#110
20150070227
2015-03-12

Acoustic wave element, branching filter and communication module

#111
20140347138
2014-11-27

Methods for noise reduction and quality factor improvement in resonators

#112
20140001919
2014-01-02

Elastic wave element

#113
20130335158
2013-12-19

Crystal oscillator with reduced acceleration sensitivity

#114
20130214878
2013-08-22

Acoustic wave bandpass filter comprising integrated acoustic guiding

#115
20130207514
2013-08-15

Elastic wave device

#116
20130200960
2013-08-08

Component working with acoustic waves having reduced temperature coefficient of frequencies and method for producing same

#117
20120223785
2012-09-06

Crystal oscillator with reduced acceleration sensitivity

#118
20120146457
2012-06-14

Acoustic wave element and acoustic wave element sensor

#119
20120105175
2012-05-03

Surface acoustic wave resonator mounting with low acceleration sensitivity

#120
20110309719
2011-12-22

Surface acoustic wave element

#121
20110204998
2011-08-25

Elastic wave element and electronic device using the same

#122
20100117750
2010-05-13

Crystal oscillator with reduced acceleration sensitivity

#123
20100117491
2010-05-13

Packaging for piezoelectric resonator

#124
20100060102
2010-03-11

Acoustic wave device and electronic equipment using the same

#125
20100052807
2010-03-04

Acoustic wave filter device

#126
20100043191
2010-02-25

Method for manufacturing surface acoustic wave device

#127
20100033055
2010-02-11

Method for manufacturing elastic wave device

#128
20090212659
2009-08-27

Elastic boundary wave device

#129
20080309192
2008-12-18

Acoustic wave resonator

#130
20080258844
2008-10-23

Method for manufacturing surface acoustic wave device and surface acoustic wave device

#131
20080224799
2008-09-18

Saw filter device

#132
20070229191
2007-10-04

SURFACE ACOUSTIC WAVE ELEMENT AND SURFACE ACOUSTIC WAVE DEVICE COMPRISING THE ELEMENT

#133
20070210676
2007-09-13

Elastic boundary wave device

#134
20070140328
2007-06-21

Complex coefficient transversal filter and complex frequency converter

#135
20070040632
2007-02-22

Insulation of anti-resonance in resonators

#136
20060131992
2006-06-22

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

#137
20060076851
2006-04-13

Surface acoustic wave element and method of manufacturing the same

#138
20050275309
2005-12-15

Surface acoustic wave device, method of manufacturing the same, and electronic apparatus

#139
20050071971
2005-04-07

Method of producing surface acoustic wave device and the surface acoustic wave device

#140
18916122
2025-04-15

Surface acoustic wave resonator device, manufacturing method therefore and filter

#141
15239662
2018-06-26

Methods for suppressing spurious modes in microresonators

#142
14495494
2015-07-07

High rejection surface acoustic wave filter