Patents-Review.com
ClassID:

220731 ⎘

H03H9/178 - CPC Classification

Classification description:

Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators; Constructional features of resonators consisting of piezo-electric or electrostrictive material having a single resonator of a laminated structure of multiple piezoelectric layers with inner electrodes

Recent Application in this class:
#1
20260058635
2026-02-26

ODD OVER-MODED BULK ACOUSTIC WAVE DEVICES

 #2
20250392284
2025-12-25

ACOUSTIC WAVE DEVICE HAVING MULTIPLE PIEZOELECTRIC LAYERS BETWEEN ELECTRODES

 #3
20250309863
2025-10-02

MULTIPLE ELECTROMECHANICAL COUPLING COEFFICIENTS ON SAME WAFER

 #4
20250309862
2025-10-02

MULTI-LAYER RESONATOR ASSEMBLY AND METHOD FOR FABRICATING SAME

 #5
20250274100
2025-08-28

METHODS OF FORMING PIEZOELECTRIC LAYERS HAVING ALTERNATING POLARIZATIONS AND RELATED BULK ACOUSTIC WAVE FILTER DEVICES

 #6
20250211191
2025-06-26

VOLUME ACOUSTIC DEVICE AND METHOD FOR PRODUCING A VOLUME ACOUSTIC DEVICE

 #7
20250141428
2025-05-01

RESONATOR WITH COMPLEMENTARILY ORIENTED PIEZOELECTRIC STRUCTURE

 #8
20250080082
2025-03-06

BULK ACOUSTIC WAVE RESONATOR AND PREPARATION METHOD THEREOF

 #9
20250055434
2025-02-13

METHODS OF FORMING PIEZOELECTRIC LAYERS HAVING ALTERNATING POLARIZATIONS

 #10
20240333255
2024-10-03

RESONATOR ELEMENT AND RESONATOR DEVICE

 #11
20240313741
2024-09-19

ACOUSTIC WAVE DEVICE

 #12
20240305269
2024-09-12

PIEZOELECTRIC RESONATOR DEVICE

 #13
20240088869
2024-03-14

FREQUENCY-TUNABLE FILM BULK ACOUSTIC RESONATOR AND PREPARATION METHOD THEREFOR

 #14
20240048122
2024-02-08

RESONATOR

 #15
20230412147
2023-12-21

STACKED RESONATORS WITH SHARED REFLECTOR LAYERS

 #16
20230216480
2023-07-06

MULTI-LAYER RESONATOR ASSEMBLY AND METHOD FOR FABRICATING SAME

 #17
20230155550
2023-05-18

PIEZO-RESISTIVE RESONATOR DEVICE HAVING DRIVE AND SENSE TRANSISTORS WITH WELLS OF OPPOSITE DOPING

 #18
20230084409
2023-03-16

Acoustic resonator

 #19
20230054876
2023-02-23

In-plane and out-of-plane disk resonator

 #20
20220321095
2022-10-06

ACOUSTIC WAVE DEVICE HAVING STACKED PIEZOELECTRIC LAYERS BETWEEN ELECTRODES

 #21
20220310504
2022-09-29

Integrated circuit device, device, and manufacturing method

 #22
20220209743
2022-06-30

ACOUSTIC WAVE DEVICE HAVING MULTIPLE PIEZOELECTRIC LAYERS BETWEEN ELECTRODES

 #23
20210336602
2021-10-28

Vibration element, vibrator, and method for producing vibration element with a vibrating piece having a protruding part for improved vibration characteristics

 #24
20210058061
2021-02-25

In-plane and out-of-plane disk resonator

 #25
20200304094
2020-09-24

Acoustic wave device

 #26
20200287513
2020-09-10

Composite substrate and acoustic wave element using same

 #27
20200266798
2020-08-20

Micromachined ultrasound transducer using multiple piezoelectric materials

 #28
20200169246
2020-05-28

Acoustic resonator

 #29
20190386641
2019-12-19

Acoustic resonator and acoustic resonator filter including the same

 #30
20190312189
2019-10-10

Piezoelectric resonator device and system-in-package module including the same

 #31
20190007021
2019-01-03

Piezoelectric thin film resonator and fabrication method of the same, filter, and multiplexer

 #32
20180191303
2018-07-05

Piezoelectric resonator device

 #33
20180097508
2018-04-05

Filter device including longitudinally coupled resonator elastic wave filter and elastic wave resonator

 #34
20180097502
2018-04-05

Elastic wave device

 #35
20180062616
2018-03-01

Vibrating device

 #36
20180048286
2018-02-15

Resonator and resonance device

 #37
20170250674
2017-08-31

Elastic wave detection

 #38
20170194934
2017-07-06

Micromachined ultrasound transducer using multiple piezoelectric materials

 #39
20170063325
2017-03-02

Devices with specific termination angles in titanium tungsten layers and methods for fabricating the same

 #40
20170047907
2017-02-16

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

 #41
20160064646
2016-03-03

Piezoelectric ceramic, method for producing piezoelectric ceramic, and piezoelectric ceramic electronic component

 #42
20140292155
2014-10-02

Electro-acoustic transducer with periodic ferroelectric polarization produced on a micromachined vertical structure

 #43
20140184029
2014-07-03

Microelectromechanical system-based resonator device

 #44
20130193808
2013-08-01

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

 #45
20130135264
2013-05-30

MULTILAYER PIEZOELECTRIC THIN FILM RESONATOR STRUCTURE

 #46
20120274184
2012-11-01

Piezoelectric resonator with two layers

 #47
20120229953
2012-09-13

LEAD-FREE PIEZOELECTRIC PORCELAIN COMPOSITION, PIEZOELECTRIC CERAMIC COMPONENT FORMED USING THE COMPOSITION, AND PROCESS FOR PRODUCING PIEZOELECTRIC CERAMIC COMPONENT

 #48
20120161588
2012-06-28

Piezoelectric ceramic, method for producing same, and piezoelectric device

 #49
20120117769
2012-05-17

Method for manufacturing piezoelectric element

 #50
20120019108
2012-01-26

Piezoelectric ceramic composition consisting of a perovskite-type oxide and piezoelectric element

 #51
20120001704
2012-01-05

Acoustic wave device

 #52
20110248606
2011-10-13

RESONATOR ELEMENT, RESONATOR, AND PIEZOELECTRIC DEVICE

 #53
20110024033
2011-02-03

Laminated piezoelectric ceramic element manufacturing method

 #54
20100321133
2010-12-23

Tangentially poled single crystal ring resonator

 #55
20100192342
2010-08-05

Methods for manufacturing piezoelectric devices

 #56
20100096358
2010-04-22

Method of manufacturing a ladder filter

 #57
20100083474
2010-04-08

Method of manufacturing a piezoelectric element

 #58
20090096329
2009-04-16

Piezoelectric devices and methods for manufacturing same

 #59
20080313874
2008-12-25

Method of fabricating a piezoelectric vibrator

 #60
20080297007
2008-12-04

Piezoelectric vibrator with internal electrodes

 #61
20080284286
2008-11-20

Piezoelectric ceramic and method for making the same, and piezoelectric resonator and method for making the same

 #62
20080252179
2008-10-16

Piezoelectric Element and Method for Manufacturing the Piezoelectric Element

 #63
20080252178
2008-10-16

Contour resonator

 #64
20080129417
2008-06-05

Ladder type filter

 #65
20070267942
2007-11-22

PIEZOELECTRIC FILM RESONATOR, RADIO-FREQUENCY FILTER USING THEM, AND RADIO-FREQUENCY MODULE USING THEM

 #66
20070138918
2007-06-21

Piezoelectric ceramic and piezoelectric ceramic element

 #67
20070131895
2007-06-14

Piezoelectric ceramic composition and piezoelectric element

 #68
20060163974
2006-07-27

Piezoelectric vibrator and fabricating method thereof

 #69
20060158283
2006-07-20

Piezoelectric thin film resonators

 #70
20050023936
2005-02-03

Piezoelectric device

 #71
20050012568
2005-01-20

BAW resonator having piezoelectric layers oriented in opposed directions

 #72
16543409
2023-01-24

Piezoelectric resonator with multiple electrode sections