ClassID:

220820

H03H9/70 - CPC Classification

Classification description:

Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators Multiple-port networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source

Sub-classes:
Recent Application in this class:
#1
20260121611
2026-04-30

ACOUSTIC WAVE DEVICE, FILTER, AND MULTIPLEXER

#2
20260095151
2026-04-02

MULTIPLEXER

#3
20260066878
2026-03-05

MULTIPLEXER

#4
20250274106
2025-08-28

ACOUSTIC TRANSFORMER IN TRANSMISSION CHAIN

#5
20250239994
2025-07-24

MULTI-BAND ACOUSTIC MULTIPLEXER FILTER CIRCUIT

#6
20250233605
2025-07-17

FILTER CIRCUITRY WITH HIGH HARMONIC SUPPRESSION

#7
20250219605
2025-07-03

ANALOG STORAGE USING MEMORY DEVICE

#8
20250175158
2025-05-29

MULTIPLEXER

#9
20250167766
2025-05-22

MULTIPLEXER WITH ACOUSTIC ASSISTED TRAP CIRCUIT

#10
20250112619
2025-04-03

ACOUSTIC WAVE DEVICE AND MULTIPLEXER

#11
20250030403
2025-01-23

FILTER DEVICE AND MULTIPLEXER

#12
20240364308
2024-10-31

COMPOSITE FILTER DEVICE

#13
20240348235
2024-10-17

SWITCHABLE ACOUSTIC FILTER TOPOLOGIES WITH IMPROVED PERFORMANCE

#14
20240305273
2024-09-12

FILTER MODULE WITH IMPROVED LINEARITY RESPONSE

#15
20240283426
2024-08-22

ACOUSTIC WAVE DEVICE, FILTER, AND MULTIPLEXER

#16
20240223159
2024-07-04

ACOUSTIC WAVE FILTER INCLUDING TWO TYPES OF ACOUSTIC WAVE RESONATORS

#17
20240195391
2024-06-13

CONSOLIDATED ACOUSTIC TRANSFORMER IN TRANSMISSION CHAIN

#18
20240097654
2024-03-21

ACOUSTIC TRANSFORMER IN TRANSMISSION CHAIN

#19
20240088872
2024-03-14

ACOUSTIC WAVE FILTER

#20
20230402992
2023-12-14

ACOUSTIC WAVE FILTER AND MULTIPLEXER

#21
20230318572
2023-10-05

FILTER DEVICE

#22
20230299746
2023-09-21

PROGRAMMABLE ACOUSTIC FILTER CIRCUIT

#23
20230299742
2023-09-21

Bridge-type filters

#24
20230299741
2023-09-21

Bridge-type filters

#25
20230291427
2023-09-14

HIGH-FREQUENCY MODULE, FILTER DEVICE, AND COMMUNICATION DEVICE

#26
20230261640
2023-08-17

FILTER AND MULTIPLEXER

#27
20230261628
2023-08-17

A TUNABLE RESONATOR

#28
20230216485
2023-07-06

TUNING MULTIPLEXER FILTERS

#29
20230216219
2023-07-06

FILTER MODULE FOR MULTIPLE CARRIER AGGREGATION WITH GROUND TRACE

#30
20230179173
2023-06-08

ACOUSTIC WAVE FILTER AND MULTIPLEXER

#31
20230170879
2023-06-01

Acoustic wave filter, high frequency module, and multiplexer

#32
20230115011
2023-04-13

Electronic component

#33
20230080910
2023-03-16

FILTER DEVICE, MULTIPLEXER, HIGH FREQUENCY FRONT END CIRCUIT, AND COMMUNICATION APPARATUS

#34
20230006651
2023-01-05

Multiplexer with acoustic assisted trap circuit

#35
20230006648
2023-01-05

Multiplexer with acoustic wave filters and trap circuit

#36
20220416763
2022-12-29

Filter and multiplexer

#37
20220376675
2022-11-24

MULTIPLEXER

#38
20220368313
2022-11-17

Ladder-type filter and multiplexer

#39
20220069799
2022-03-03

Elastic wave device, elastic waves filter, duplexer, and module

#40
20210359665
2021-11-18

Multiplexer, front-end module, and communication device

#41
20210313965
2021-10-07

Acoustic wave filter including two types of acoustic wave resonators

#42
20210234533
2021-07-29

Radio frequency module

#43
20210226608
2021-07-22

Acoustic wave device, band pass filter, duplexer, and multiplexer

#44
20210184648
2021-06-17

Elastic wave device

#45
20210119610
2021-04-22

Filter device

#46
20210119605
2021-04-22

Acoustic wave device, duplexer, and filter device

#47
20210083651
2021-03-18

Filter device

#48
20210067132
2021-03-04

Monolithic die with acoustic wave resonators and active circuitry

#49
20210058109
2021-02-25

Multiplexer

#50
20210050844
2021-02-18

Multiplexer

#51
20210021256
2021-01-21

Multiplexer

#52
20210013871
2021-01-14

Multiplexer, radio-frequency front-end circuit, communication apparatus, and elastic wave filter

#53
20200412336
2020-12-31

Multiplexer

#54
20200412334
2020-12-31

Filter and multiplexer

#55
20200343876
2020-10-29

BAND-PASS FILTERING CIRCUIT AND MULTIPLEXER

#56
20200295736
2020-09-17

Multiplexer, radio-frequency module, and communication device

#57
20200280301
2020-09-03

MULTIPLEXER

#58
20200252042
2020-08-06

Radio frequency circuit, multiplexer, radio frequency front end circuit and communication apparatus

#59
20200228152
2020-07-16

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

#60
20200228100
2020-07-16

Acoustic wave filter including two types of acoustic wave resonators

#61
20200228097
2020-07-16

Multiplexer and high-frequency filter

#62
20200228094
2020-07-16

Hybrid filter device and multiplexer

#63
20200195230
2020-06-18

Filter device, multiplexer, radio frequency front-end circuit, and communication device

#64
20200195227
2020-06-18

Acoustic wave filter device and composite filter device

#65
20200153413
2020-05-14

Multiplexer, radio frequency circuit, and communication device

#66
20200144990
2020-05-07

High-pass filter and multiplexer

#67
20200106419
2020-04-02

ELECTRO-ACOUSTIC RF FILTER WITH INCREASED FLANK STEEPNESS, MULTIPLEXER AND METHOD OF DESIGNING AN ELECTRO-ACOUSTIC RF FILTER

#68
20200083865
2020-03-12

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

#69
20200052677
2020-02-13

Filter device and radio frequency module

#70
20200014370
2020-01-09

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

#71
20190363740
2019-11-28

Duplexer and front-end circuit

#72
20190363695
2019-11-28

Multiplexer and communication apparatus

#73
20190363693
2019-11-28

Elastic wave device

#74
20190356302
2019-11-21

Acoustic wave device, duplexer, and filter device

#75
20190312568
2019-10-10

Multiplexer

#76
20190296708
2019-09-26

Radio-frequency module

#77
20190288663
2019-09-19

ELECTROACOUSTIC FILTER WITH REDUCED PLATE MODES

#78
20190214968
2019-07-11

Radio frequency front-end circuit and communication device

#79
20190199324
2019-06-27

Composite electronic component

#80
20190190490
2019-06-20

Acoustically coupled resonator notch and bandpass filters

#81
20190181907
2019-06-13

System and method for a radio frequency filter

#82
20190181839
2019-06-13

System and method for a radio frequency filter

#83
20190181837
2019-06-13

System and method for a radio frequency filter

#84
20190181835
2019-06-13

Acoustically coupled resonator notch and bandpass filters

#85
20190181834
2019-06-13

Acoustically coupled resonator notch and bandpass filters

#86
20190181832
2019-06-13

System and method for a radio frequency filter

#87
20190181827
2019-06-13

Tunable resonator element, filter circuit and method

#88
20190181825
2019-06-13

System and method for a radio frequency filter

#89
20190181824
2019-06-13

Tunable resonator element, filter circuit and method

#90
20190036553
2019-01-31

Duplexer and front-end circuit

#91
20190028085
2019-01-24

High-frequency filter, multiplexer, high-frequency front-end circuit, and communication device

#92
20190007029
2019-01-03

Piezoelectric thin film resonator, filter, and multiplexer

#93
20190007019
2019-01-03

Elastic wave device

#94
20180351228
2018-12-06

Bidirectional coupler, monitor circuit, and front end circuit

#95
20180294794
2018-10-11

Piezoelectric thin film resonator, filter, and multiplexer

#96
20180278238
2018-09-27

Multiplexer

#97
20180138893
2018-05-17

Acoustic wave filter including two types of acoustic wave resonators

#98
20180123552
2018-05-03

Filter arrangement with compensation of poor electrical ground

#99
20180123549
2018-05-03

Radio-frequency module

#100
20180019730
2018-01-18

Radio-frequency front-end circuit and communication device

#101
20170359050
2017-12-14

Acoustic wave device

#102
20170338801
2017-11-23

Radio frequency filter, high selectivity triplexer, and communications device

#103
20170338798
2017-11-23

Piezoelectric thin film resonator, filter, and multiplexer

#104
20170310301
2017-10-26

Elastic wave filter device

#105
20170302251
2017-10-19

Acoustic filters integrated into single die

#106
20170294896
2017-10-12

Filter device

#107
20170264257
2017-09-14

Method for producing a batch of acoustic wave filters

#108
20170244387
2017-08-24

Duplexer

#109
20170201229
2017-07-13

Acoustic wave resonator, filter, and duplexer

#110
20170194939
2017-07-06

Branching device

#111
20170187350
2017-06-29

Elastic wave device having a cut in a busbar electrode layer

#112
20170163242
2017-06-08

Acoustic wave filter, duplexer, and module

#113
20170149410
2017-05-25

Elastic wave device, duplexer, and multiplexer

#114
20170141801
2017-05-18

Radio-frequency module and communication device

#115
20170117873
2017-04-27

Band pass filter and duplexer

#116
20170054428
2017-02-23

Elastic wave device with sealing structure

#117
20170005637
2017-01-05

Wave separator

#118
20160359469
2016-12-08

Tunable electroacoustic RF filter with improved electric properties and method for operating such a filter

#119
20160301384
2016-10-13

Ladder-type elastic wave filter having series and parallel resonators

#120
20160301379
2016-10-13

Branching device

#121
20160094199
2016-03-31

Resonant circuit with variable frequency and impedance

#122
20160094198
2016-03-31

Filter device and duplexer

#123
20160072477
2016-03-10

Duplexer, filter and communication module

#124
20160072471
2016-03-10

Elastic wave filter and duplexer using same

#125
20160028374
2016-01-28

Apparatus and method for tuning a resonance frequency

#126
20160028156
2016-01-28

High-frequency filter including matching circuit

#127
20150372661
2015-12-24

Acoustic wave device

#128
20150207490
2015-07-23

Piezoelectric thin film resonator, filter and duplexer

#129
20150180438
2015-06-25

Filter device and duplexer including compensation circuit

#130
20150171826
2015-06-18

Piezoelectric thin-film resonator, method for fabricating same, filter and duplexer having an interposed film

#131
20150130558
2015-05-14

Filter device and duplexer

#132
20150109071
2015-04-23

Elastic wave device with stacked piezoelectric substrates

#133
20150077194
2015-03-19

Electronic circuit

#134
20150054597
2015-02-26

Elastic wave filter device and duplexer

#135
20150048900
2015-02-19

Electrical component

#136
20150035599
2015-02-05

Power amplifier and distributed filter

#137
20140354373
2014-12-04

Acoustic wave device and antenna duplexer including same

#138
20140225680
2014-08-14

High-frequency filter

#139
20140210570
2014-07-31

Piezoelectric thin film resonator, filter, and duplexer including a film inserted into the piezoelectric film

#140
20140210569
2014-07-31

Module substrate and module

#141
20140167877
2014-06-19

Filter module

#142
20140009240
2014-01-09

High-frequency module having inductors disposed with directions of their polarities opposite to each other

#143
20130344819
2013-12-26

Versatile communication system and method of implementation using heterogeneous integration

#144
20130335164
2013-12-19

Filter arrangement and method for producing a filter arrangement

#145
20130328640
2013-12-12

Filter module and duplexer module

#146
20130328639
2013-12-12

Filter and duplexer

#147
20130314173
2013-11-28

Filter, duplexer, and communication module

#148
20130307636
2013-11-21

Composite electronic component

#149
20130244591
2013-09-19

Limited Q factor tunable front end using tunable circuits and microelectromechanical system (MEMS)

#150
20130214872
2013-08-22

Elastic wave filter, and duplexer and electronic device using same

#151
20130207743
2013-08-15

Duplexer with balun

#152
20130200960
2013-08-08

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

#153
20130187725
2013-07-25

Acoustic wave device

#154
20130169378
2013-07-04

Apparatus having double phase-matched configuration for reducing magnitude of intermodulation products

#155
20130147578
2013-06-13

Duplexer

#156
20130113576
2013-05-09

Duplexer, filter and communication module

#157
20130082796
2013-04-04

Component with first and second duplexers

#158
20110273243
2011-11-10

Combiner comprising acoustic transducers

#159
20110254639
2011-10-20

Duplexer and electronic device

#160
20110006855
2011-01-13

Elastic wave filter, and duplexer and electronic device using same

#161
20100207704
2010-08-19

Electrical component

#162
20080122554
2008-05-29

Balanced/unbalanced filter module and communication apparatus

#163
20070247258
2007-10-25

Filter device substrate and filter device

#164
15870517
2020-08-04

Deployable active radar countermeasures

#165
14224699
2016-01-19

Reconfigurable filter