Patents-Review.com
ClassID:

220789 ⎘

H03H9/585 - 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 comprising a plurality of piezoelectric layers acoustically coupled Stacked Crystal Filters [SCF]

Recent Application in this class:
#1
20250350263
2025-11-13

STACKED BULK ACOUSTIC WAVE RESONATORS

 #2
20250150058
2025-05-08

BULK ACOUSTIC WAVE STRUCTURES WITH VERTICALLY STACKED RESONATORS

 #3
20240322793
2024-09-26

ACOUSTIC WAVE DEVICE AND COMPOSITE FILTER DEVICE

 #4
20230142089
2023-05-11

STACKED FILTER PACKAGE HAVING MULTIPLE TYPES OF ACOUSTIC WAVE DEVICES

 #5
20230136934
2023-05-04

STEEP SKIRT COMBINATION MICROELECTROMECHANICAL SYSTEM CAVITY FILTER AND BULK ACOUSTIC WAVE FILTER

 #6
20230103499
2023-04-06

MULTILAYER STRUCTURE, PIEZOELECTRIC DEVICE USING THE SAME, MANUFACTURING METHOD OF MULTILAYER STRUCTURE, AND MANUFACTURING METHOD OF PIEZOELECTRIC DEVICE

 #7
20220224311
2022-07-14

ACOUSTIC WAVE DEVICE

 #8
20210218386
2021-07-15

Phase shift structures for acoustic resonators

 #9
20210218385
2021-07-15

Mode suppression in acoustic resonators

 #10
20210028755
2021-01-28

Stacked crystal filter structures

 #11
20190190490
2019-06-20

Acoustically coupled resonator notch and bandpass filters

 #12
20190181907
2019-06-13

System and method for a radio frequency filter

 #13
20190181839
2019-06-13

System and method for a radio frequency filter

 #14
20190181837
2019-06-13

System and method for a radio frequency filter

 #15
20190181835
2019-06-13

Acoustically coupled resonator notch and bandpass filters

 #16
20190181834
2019-06-13

Acoustically coupled resonator notch and bandpass filters

 #17
20190181832
2019-06-13

System and method for a radio frequency filter

 #18
20190181827
2019-06-13

Tunable resonator element, filter circuit and method

 #19
20190181825
2019-06-13

System and method for a radio frequency filter

 #20
20190181824
2019-06-13

Tunable resonator element, filter circuit and method

 #21
20170047907
2017-02-16

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

 #22
20150256146
2015-09-10

Resonator filter having a recess in insulating material of a multi-layered coupling structure

 #23
20150084716
2015-03-26

Duplexer

 #24
20140152152
2014-06-05

Acoustic resonator comprising temperature compensating layer and perimeter distributed bragg reflector

 #25
20140125428
2014-05-08

Switching device and module

 #26
20140085020
2014-03-27

Acoustic structure comprising at least one resonator and at least one cointegrated capacitor in one and the same piezoelectric or ferroelectric layer

 #27
20130314177
2013-11-28

Acoustic resonator comprising collar, frame and perimeter distributed bragg reflector

 #28
20130193808
2013-08-01

Film bulk acoustic resonator with multi-layers of different piezoelectric materials and method of making

 #29
20130176086
2013-07-11

Double bulk acoustic resonator comprising aluminum scandium nitride

 #30
20130063226
2013-03-14

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

 #31
20130033337
2013-02-07

ACOUSTIC WAVE FILTER

 #32
20130026021
2013-01-31

Method for manufacturing bimorph actuator

 #33
20120319530
2012-12-20

Bulk acoustic resonator comprising non-piezoelectric layer

 #34
20120313725
2012-12-13

Filter, duplexer, communication module and communication device

 #35
20120293278
2012-11-22

STACKED BULK ACOUSTIC RESONATOR COMPRISING DISTRIBUTED BRAGG REFLECTOR

 #36
20120280767
2012-11-08

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

 #37
20120274184
2012-11-01

Piezoelectric resonator with two layers

 #38
20120248941
2012-10-04

Stacked bulk acoustic resonator

 #39
20120218060
2012-08-30

Bulk acoustic wave resonator comprising bridge formed within piezoelectric layer

 #40
20120218059
2012-08-30

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

 #41
20120218055
2012-08-30

Stacked acoustic resonator comprising a bridge

 #42
20120206996
2012-08-16

Transponder having coupled resonant modes and including a variable load

 #43
20120182088
2012-07-19

Duplexer

 #44
20120001704
2012-01-05

Acoustic wave device

 #45
20110273243
2011-11-10

Combiner comprising acoustic transducers

 #46
20110248602
2011-10-13

Acoustic resonator comprising an electret and method of producing said resonator, application to switchable coupled resonator filters

 #47
20100107389
2010-05-06

METHOD OF FABRICATING AN ELECTRODE FOR A BULK ACOUSTIC RESONATOR

 #48
20100052815
2010-03-04

Single cavity acoustic resonators and electrical filters comprising single cavity acoustic resonators

 #49
20090273416
2009-11-05

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

 #50
20090251234
2009-10-08

Complex resonance circuit

 #51
20090096550
2009-04-16

Bulk acoustic wave device

 #52
20090079514
2009-03-26

HYBRID ACOUSTIC RESONATOR-BASED FILTERS

 #53
20080169884
2008-07-17

Thin film bulk acoustic wave resonator and filter, and radio frequency module using them

 #54
20080055020
2008-03-06

Acoustic resonator

 #55
20080048802
2008-02-28

Piezoelectric component and method for producing it

 #56
20070279153
2007-12-06

Piezoelectric resonator structures and electrical filters

 #57
20070108876
2007-05-17

Piezoelectric device

 #58
20070080611
2007-04-12

Aluminum nitride thin film, composite film containing the same and piezoelectric thin film resonator using the same

 #59
20070063622
2007-03-22

Adjusted frequency temperature coefficient resonator

 #60
20050248238
2005-11-10

Thin film piezoelectric resonator, thin film piezoelectric device, and manufacturing method thereof

 #61
20050218753
2005-10-06

Acoustic resonator and filter

 #62
20050200432
2005-09-15

Piezoelectric resonator and electronic component provided therewith

 #63
20050093397
2005-05-05

Method of producing thin film bulk acoustic resonator

 #64
20050068124
2005-03-31

Acoustic mirror

 #65
20050057117
2005-03-17

Piezoelectric resonator, filter, and duplexer