Patents-Review.com
ClassID:

220812 ⎘

H03H9/6479 - 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; Coupled resonator filters Capacitively coupled SAW resonator filters

Recent Application in this class:
#1
20250330150
2025-10-23

LADDER FILTER

 #2
20210281245
2021-09-09

Acoustic wave filter device and multiplexer using same

 #3
20200287523
2020-09-10

Acoustic wave filter, multiplexer, and communication apparatus

 #4
20200280303
2020-09-03

Multiplexer, high frequency front-end circuit, and communication apparatus

 #5
20200204156
2020-06-25

Multiplexer, radio-frequency front end circuit, and communication apparatus

 #6
20200162057
2020-05-21

Filter and multiplexer

 #7
20200136590
2020-04-30

Radio-frequency filter, multiplexer, radio-frequency front-end circuit, and communication device

 #8
20190245517
2019-08-08

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

 #9
20190190490
2019-06-20

Acoustically coupled resonator notch and bandpass filters

 #10
20190181907
2019-06-13

System and method for a radio frequency filter

 #11
20190181839
2019-06-13

System and method for a radio frequency filter

 #12
20190181837
2019-06-13

System and method for a radio frequency filter

 #13
20190181835
2019-06-13

Acoustically coupled resonator notch and bandpass filters

 #14
20190181834
2019-06-13

Acoustically coupled resonator notch and bandpass filters

 #15
20190181832
2019-06-13

System and method for a radio frequency filter

 #16
20190181827
2019-06-13

Tunable resonator element, filter circuit and method

 #17
20190181825
2019-06-13

System and method for a radio frequency filter

 #18
20190181824
2019-06-13

Tunable resonator element, filter circuit and method

 #19
20180269854
2018-09-20

Acoustic wave element, multi plexer, and communication module

 #20
20170063337
2017-03-02

Multiplexer and module

 #21
20160173062
2016-06-16

Duplexer with a ladder filter portion and a specifically connected capacitor or elastic wave resonator

 #22
20160173061
2016-06-16

Duplexer with a series trap element and a specifically connected capacitance or elastic wave resonator

 #23
20160156335
2016-06-02

High-frequency module

 #24
20160141107
2016-05-19

Capacitor for saw filter, saw filter and method of manufacturing thereof

 #25
20160028366
2016-01-28

Duplexer including a low-pass filter capacitor

 #26
20160028365
2016-01-28

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

 #27
20160028364
2016-01-28

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

 #28
20150042417
2015-02-12

High-frequency module

 #29
20150002240
2015-01-01

Methods and apparatus for signal filtering

 #30
20130314173
2013-11-28

Filter, duplexer, and communication module

 #31
20120032753
2012-02-09

Antenna sharer with a ladder filter

 #32
20080122558
2008-05-29

Surface acoustic wave device, transmitter, and transceiver

 #33
20050093660
2005-05-05

Filter using piezoelectric material