ClassID:

220637

H03H9/02952 - 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 of parasitic capacitance

Recent Application in this class:
#1
20250385658
2025-12-18

LONGITUDINALLY COUPLED RESONATOR TYPE SURFACE ACOUSTIC WAVE FILTER AND ELASTIC WAVE FILTER

#2
20250330148
2025-10-23

PIEZOELECTRIC BOUNDARY ACOUSTIC WAVE DEVICE WITH A LAYERED SUBSTRATE

#3
20250286533
2025-09-11

ACOUSTIC WAVE DEVICE WITH REDUCED ACOUSTIC LOSS

#4
20250239987
2025-07-24

ELECTROACOUSTIC RESONATOR WITH MODIFIED CHARGE TRAPPING REGION

#5
20250233575
2025-07-17

SURFACE ACOUSTIC WAVE STRUCTURES WITH EMBEDDED ACOUSTIC REFLECTORS

#6
20250211199
2025-06-26

PIEZOELECTRIC-ON-INSULATOR (POI) SUBSTRATE AND METHOD FOR PRODUCING A PIEZOELECTRIC-ON-INSULATOR (POI) SUBSTRATE

#7
20250192749
2025-06-12

PIEZOELECTRIC-ON-INSULATOR (POI) SUBSTRATE AND METHOD FOR PRODUCING A PIEZOELECTRIC-ON-INSULATOR (POI) SUBSTRATE

#8
20250007489
2025-01-02

ACOUSTIC WAVE DEVICE HAVING DIFFERENT TYPES OF PIEZOELECTRIC LAYER STRUCTURES

#9
20250007488
2025-01-02

ACOUSTIC WAVE DEVICE WITH A VARIABLE THICKNESS MULTI-LAYER PIEZOELECTRIC STRUCTURE

#10
20240305271
2024-09-12

ACOUSTIC WAVE DEVICE

#11
20240178814
2024-05-30

SURFACE ACOUSTIC WAVE DEVICE WITH INTERDIGITAL TRANSDUCER ELECTRODE POSITIONED AT LEAST PARTIALLY IN A PIEZOELECTRIC LAYER

#12
20240063224
2024-02-22

SUPPORT SUBSTRATE FOR PASSIVE ELECTRONIC COMPONENT, PASSIVE ELECTRONIC COMPONENT, SEMICONDUCTOR DEVICE, MATCHING CIRCUIT, AND FILTER CIRCUIT

#13
20230030644
2023-02-02

Film bulk acoustic resonator filter assembling and interconnecting method and electronic device

#14
20220352862
2022-11-03

METHODS FOR FABRICATION OF BONDED WAFERS AND SURFACE ACOUSTIC WAVE DEVICES USING SAME

#15
20220337216
2022-10-20

Surface acoustic wave device and method of manufacturing the same

#16
20210184647
2021-06-17

Interdigital transducer arrangements for surface acoustic wave devices

#17
20210013865
2021-01-14

Surface acoustic wave device and method of manufacturing the same

#18
20200186120
2020-06-11

Lamb wave resonator-based torque sensor

#19
20200127636
2020-04-23

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

#20
20200106417
2020-04-02

Acoustic wave filter device

#21
20200021275
2020-01-16

Filter device, high-frequency module, and communication device

#22
20200021267
2020-01-16

Interdigital transducer arrangements for surface acoustic wave devices

#23
20190334498
2019-10-31

Methods for fabrication of bonded wafers and surface acoustic wave devices using same

#24
20190044496
2019-02-07

Composite filter device, high-frequency front end circuit, and communication apparatus

#25
20170187352
2017-06-29

Elastic wave device and manufacturing method therefor

#26
20170179920
2017-06-22

Electronic component

#27
20170033764
2017-02-02

Bonded wafers and surface acoustic wave devices using same

#28
20170033756
2017-02-02

Methods for fabrication of bonded wafers and surface acoustic wave devices using same

#29
20160277006
2016-09-22

Acoustic wave device

#30
20160173060
2016-06-16

Acoustic wave device and method of fabricating the same

#31
20150180451
2015-06-25

Surface acoustic wave device and filter with additional covering films

#32
20130187730
2013-07-25

Acoustic wave device and fabrication method of the same

#33
20130141188
2013-06-06

DMS filter having improved signal suppression in the stop band

#34
20120326808
2012-12-27

Micro-acoustic filter having compensated cross-talk and method for compensation

#35
20120306594
2012-12-06

Acoustic wave device

#36
20120176206
2012-07-12

Acoustic wave filter, communication module, and method for manufacturing the filter

#37
20120105298
2012-05-03

Acoustic wave filter

#38
20120068790
2012-03-22

Elastic wave device

#39
20110227668
2011-09-22

Surface acoustic wave filter and duplexer

#40
20100219912
2010-09-02

Surface acoustic wave device and communication device

#41
20100117491
2010-05-13

Packaging for piezoelectric resonator

#42
20100007435
2010-01-14

Duplexer formed on piezoelectric substrate

#43
20080309433
2008-12-18

Elastic wave filter and communication device equipped with the elastic wave filter

#44
20070140328
2007-06-21

Complex coefficient transversal filter and complex frequency converter

#45
20070028433
2007-02-08

Method of forming a surface acoustic wave (SAW) filter device

#46
20060164184
2006-07-27

Surface acoustic wave filter, balanced type circuit, and communication apparatus

#47
20060022768
2006-02-02

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

#48
20050255824
2005-11-17

Surface acoustic wave filter element, surface acoustic wave filter and communication device using the same

#49
20050237133
2005-10-27

Surface acoustic wave filter element, surface acoustic wave filter and communication device using the same

#50
19090319
2025-12-16

Longitudinally coupled resonator type surface acoustic wave filter and elastic wave filter