Patents-Review.com
ClassID:

220786 ⎘

H03H9/582 - 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

Sub-classes:
Recent Application in this class:
#1
20230308071
2023-09-28

ACOUSTIC WAVE DEVICE AND LADDER FILTER

 #2
20230074757
2023-03-09

Bulk acoustic wave resonator structure

 #3
20220412185
2022-12-29

PandA setting with exothermic material

 #4
20210313964
2021-10-07

ACOUSTIC RESONATOR FILTER

 #5
20210013870
2021-01-14

Transmit filter circuit and composite filter device

 #6
20200366274
2020-11-19

P and A setting with exothermic material

 #7
20200350892
2020-11-05

FRONT END MODULE

 #8
20200274520
2020-08-27

Bulk acoustic wave resonator structure

 #9
20200274515
2020-08-27

Bulk acoustic wave resonator structure for second harmonic suppression

 #10
20200144990
2020-05-07

High-pass filter and multiplexer

 #11
20190341903
2019-11-07

Filter including bulk acoustic wave resonator

 #12
20190245515
2019-08-08

Single crystal piezoelectric RF resonators and filters with improved cavity definition

 #13
20190199325
2019-06-27

Acoustic wave filter device and composite filter device

 #14
20180278228
2018-09-27

Method for fabricating RF resonators and filters

 #15
20180278227
2018-09-27

Method for fabricating RF resonators and filters

 #16
20180019730
2018-01-18

Radio-frequency front-end circuit and communication device

 #17
20170310303
2017-10-26

Bulk acoustic wave (BAW) resonator structure

 #18
20170201234
2017-07-13

Filter chip and method for producing a filter chip

 #19
20170054431
2017-02-23

Acoustic wave filter, duplexer, and module

 #20
20150341016
2015-11-26

Filter and duplexer

 #21
20140191826
2014-07-10

Piezoelectric thin film resonator and filter

 #22
20130038405
2013-02-14

Acoustic wave device

 #23
20120280767
2012-11-08

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

 #24
20120200373
2012-08-09

Acoustic wave device and filter

 #25
20110266917
2011-11-03

Guided bulk acoustic wave device having reduced height and method for manufacturing

 #26
20090307884
2009-12-17

Resonator system with a plurality of individual mechanically coupled resonators and method of making same

 #27
20080074005
2008-03-27

Piezoelectric thin film device and method for manufacturing the same

 #28
20080072408
2008-03-27

Piezoelectric thin film device and method for manufacturing the same

 #29
20070252485
2007-11-01

Thin-film piezoelectric resonator and filter circuit

 #30
20050184627
2005-08-25

Piezoelectric thin film device and method for manufacturing the same

 #31
20050140467
2005-06-30

Resonator system with a plurality of individual mechanically coupled resonators and method of making same