Patents-Review.com
ClassID:

220804 ⎘

H03H9/6423 - CPC Classification

Classification description:

Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators; Filters using surface acoustic waves Means for obtaining a particular transfer characteristic

Sub-classes:
Recent Application in this class:
#1
20250300631
2025-09-25

ACOUSTIC WAVE FILTER AND HIGH FREQUENCY CIRCUIT

 #2
20240421845
2024-12-19

RADIO FREQUENCY MODULE AND COMMUNICATION APPARATUS

 #3
20240039515
2024-02-01

RADIO FREQUENCY MODULE

 #4
20230361758
2023-11-09

Structure and manufacturing method of surface acoustic wave filter with back electrode of piezoelectric layer

 #5
20230223929
2023-07-13

LONGITUDINALLY COUPLED RESONATOR ACOUSTIC WAVE FILTER AND ACOUSTIC WAVE FILTER

 #6
20230188116
2023-06-15

Structure and manufacturing method of surface acoustic wave filter with back electrode of piezoelectric layer

 #7
20220094328
2022-03-24

Wafer level surface acoustic wave filter and package method

 #8
20210152152
2021-05-20

Common mode noise suppression filter

 #9
20200153413
2020-05-14

Multiplexer, radio frequency circuit, and communication device

 #10
20190149126
2019-05-16

Elastic wave device, high-frequency front-end circuit, and communication apparatus

 #11
20190052244
2019-02-14

Elastic wave device, radio-frequency front-end circuit, and communication device

 #12
20180367120
2018-12-20

Elastic wave apparatus and duplexer

 #13
20180287582
2018-10-04

High-frequency module

 #14
20180234078
2018-08-16

Tunable filter, radio frequency front-end circuit, and communication apparatus

 #15
20180041193
2018-02-08

Acoustic filtering circuitry including capacitor

 #16
20180019731
2018-01-18

High-frequency filter, front-end circuit, and communication apparatus

 #17
20180013405
2018-01-11

Ladder filter and duplexer

 #18
20170163244
2017-06-08

Duplexer device

 #19
20170093372
2017-03-30

Ladder filter

 #20
20160268998
2016-09-15

Acoustic filter device with combined passband

 #21
20160218696
2016-07-28

Filter apparatus comprising series connected low pass and high pass filters with acoustic resonators

 #22
20160204755
2016-07-14

Resonator device and high frequency filter

 #23
20160072469
2016-03-10

Switchable filters and design structures

 #24
20160028365
2016-01-28

High-frequency module having a matching element coupled to a connection unit

 #25
20160028364
2016-01-28

High-frequency module having a matching element coupled to a connection unit

 #26
20150222246
2015-08-06

Elastic wave filter with magnetically coupled LC parallel resonance circuits

 #27
20150054597
2015-02-26

Elastic wave filter device and duplexer

 #28
20150042418
2015-02-12

Switchable filters and design structures

 #29
20150022283
2015-01-22

Ladder surface acoustic wave filter

 #30
20140145799
2014-05-29

Acoustic wave band reject filter

 #31
20130169383
2013-07-04

Method of manufacturing switchable filters

 #32
20110050034
2011-03-03

Boundary acoustic wave device

 #33
20090128260
2009-05-21

Electrical component

 #34
20070241841
2007-10-18

Low-loss electro-acoustic component

 #35
20070024392
2007-02-01

Resonant circuit, filter, and antenna duplexer