Patents-Review.com
ClassID:

220477 ⎘

H03H2007/386 - CPC Classification

Classification description:

Multiple-port networks comprising only passive electrical elements as network components; Impedance-matching networks Multiple band impedance matching

Recent Application in this class:
#1
20260081576
2026-03-19

INTERSTAGE MATCHING NETWORK ATTENUATOR

 #2
20250247118
2025-07-31

IMPEDANCE TUNING CIRCUIT

 #3
20250167748
2025-05-22

MATCH NETWORK WITH SWITCHABLE VARIABLE CAPACITANCE

 #4
20250108669
2025-04-03

PCB IMPEDANCE TUNING TO ACHIEVE WIDEBAND AND HIGH ACCEPTANCE OF COIL ANTENNA LENGTH VARIATION

 #5
20240291152
2024-08-29

ADJUSTMENT METHOD FOR ANTENNA DEVICE AND ANTENNA DEVICE

 #6
20240177971
2024-05-30

MATCHING NETWORK MODULE AND SUBSTRATE PROCESSING APPARATUS INCLUDING THE SAME

 #7
20230370040
2023-11-16

Variable circuit

 #8
20230208380
2023-06-29

INTERSTAGE MATCHING NETWORK ATTENUATOR

 #9
20230208378
2023-06-29

KHZ TO 100GHZ DC COUPLED CIRCUIT WITH AN ON-CHIP INTEGRATING CAPACITOR

 #10
20230198558
2023-06-22

Impedance tuning circuits, devices and methods

 #11
20220345103
2022-10-27

SINGLE ANTENNA INDUCTOR TO MATCH ALL BANDS IN A FRONT-END MODULE

 #12
20220311465
2022-09-29

Radio-frequency module and communication device

 #13
20220103149
2022-03-31

Termination circuits and attenuation methods thereof

 #14
20220029719
2022-01-27

Simulation Model Fitting for Radio Frequency Matching-Network Optimization

 #15
20210384775
2021-12-09

Smart rectenna design for passive wireless power harvesting

 #16
20210305963
2021-09-30

Integrated isolator circuit in a time division duplex transceiver

 #17
20210175913
2021-06-10

Radio-frequency impedance tuner

 #18
20210143854
2021-05-13

Radio-frequency module and communication device

 #19
20210057188
2021-02-25

Radio frequency power supply system, plasma processor, and frequency-tuning matching

 #20
20210021253
2021-01-21

Impedance matching

 #21
20200412398
2020-12-31

Radio-frequency module and communication device

 #22
20200313998
2020-10-01

Universal semiconductor-based automatic highspeed serial signal testing method

 #23
20200259481
2020-08-13

FILTER DEVICE AND COMMUNICATION APPARATUS

 #24
20200220517
2020-07-09

On-chip diplexer

 #25
20200212871
2020-07-02

Apparatus for Antenna Impedance-Matching and Associated Methods

 #26
20200127605
2020-04-23

Radio-frequency apparatus with multi-band wideband balun and associated methods

 #27
20200106466
2020-04-02

Radio-frequency module and communication device

 #28
20200099407
2020-03-26

Systems and methods for antenna tuning

 #29
20200099358
2020-03-26

Integrated isolator circuit in a time division duplex transceiver

 #30
20200083865
2020-03-12

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

 #31
20200067352
2020-02-27

Smart rectenna design for passive wireless power harvesting

 #32
20190312608
2019-10-10

High-frequency module, transmission-reception module, and communication apparatus

 #33
20190253087
2019-08-15

Antenna impedance tuner

 #34
20190245507
2019-08-08

Broadband power amplifier and matching network for multi-band millimeter-wave 5G communication

 #35
20190190482
2019-06-20

Radio-frequency apparatus with multi-band balun and associated methods

 #36
20190190149
2019-06-20

Radio-frequency apparatus with multi-band balun with improved performance and associated methods

 #37
20190181550
2019-06-13

Wireless communication device

 #38
20190165755
2019-05-30

On-chip diplexer

 #39
20190165754
2019-05-30

Apparatus for radio-frequency matching networks and associated methods

 #40
20190140678
2019-05-09

Radio-frequency module and communication device

 #41
20190097672
2019-03-28

Radio-frequency filter device and communication apparatus

 #42
20190074862
2019-03-07

High selectivity TDD RF front end

 #43
20190074810
2019-03-07

Switch component, high-frequency module, and communication apparatus

 #44
20190007019
2019-01-03

Elastic wave device

 #45
20180331703
2018-11-15

Radio frequency front-end circuit and communication device

 #46
20180294572
2018-10-11

Antennas

 #47
20180226941
2018-08-09

Front-end module comprising an EBD circuit, telecommunication device comprising the front-end module and method for Operating Them

 #48
20180167049
2018-06-14

Demultiplexing circuit

 #49
20180159220
2018-06-07

Antenna matching circuit, antenna circuit, front-end circuit, and communication apparatus

 #50
20180123628
2018-05-03

Radio-frequency module and communication device

 #51
20170194993
2017-07-06

Radio-frequency module and communication device

 #52
20170054212
2017-02-23

Dual band transmitter

 #53
20170026022
2017-01-26

Telecommunications device comprising an EBD circuit, a tunable impedance network and a method for tuning a tunable impedance network

 #54
20170026021
2017-01-26

Tunable and integrated impedance matching and filter circuit

 #55
20160373082
2016-12-22

Regulating circuit and optimizing circuit

 #56
20160322991
2016-11-03

Adaptive impedance matching apparatus, system and method with improved dynamic range

 #57
20160308506
2016-10-20

High performance integrated tunable impedance matching network with coupled merged inductors

 #58
20150349742
2015-12-03

ADAPTIVE LOAD FOR COUPLER IN BROADBAND MULTIMODE MULTI-BAND FRONT END MODULE

 #59
20150288400
2015-10-08

Impedance matching for variable impedance antennas

 #60
20150280685
2015-10-01

Compact broadband impedance transformer

 #61
20150162890
2015-06-11

Circuit module

 #62
20150155846
2015-06-04

APPARATUS AND METHODS FOR WIRELESS COMMUNICATION

 #63
20150137906
2015-05-21

Matching segment circuit to which radio frequency is applied and radio frequency integrated devices using the matching segment circuit

 #64
20150087254
2015-03-26

Antenna matching device

 #65
20150084718
2015-03-26

Multi-band impedance tuners using weakly-coupled LC resonators

 #66
20140375523
2014-12-25

Antenna impedance matching apparatus, semiconductor chip, and method

 #67
20140354369
2014-12-04

Transmission line and transmission method

 #68
20140225672
2014-08-14

Input match network with RF bypass path

 #69
20140203887
2014-07-24

Module

 #70
20140170996
2014-06-19

Impedance matching apparatus and impedance matching method

 #71
20140170994
2014-06-19

Provision of linearity enhancement for RF communication devices

 #72
20140162579
2014-06-12

Front end module

 #73
20140159779
2014-06-12

Stiction reduction for MEMS devices

 #74
20140145902
2014-05-29

Adaptive impedance matching apparatus, system and method with improved dynamic range

 #75
20140073267
2014-03-13

Filters for multi-band wireless device

 #76
20140065980
2014-03-06

Impedance conversion circuit and communication terminal apparatus

 #77
20140043203
2014-02-13

Front end parallel resonant switch

 #78
20130316663
2013-11-28

Matching device, transmitting amplifier, and wireless communication device

 #79
20130244589
2013-09-19

Apparatus for wirelessly transmitting information, communication terminal for wirelessly transmitting information and impedance matching method

 #80
20130181787
2013-07-18

Adaptive impedance matching

 #81
20130009841
2013-01-10

Impedance matching circuit capable of broadband operation

 #82
20130005288
2013-01-03

Circuit for Impedance Matching

 #83
20120319918
2012-12-20

ANTENNA MATCHING APPARATUS AND METHODS

 #84
20120286900
2012-11-15

Tunable filter

 #85
20120217312
2012-08-30

Wireless IC device and electronic apparatus

 #86
20120182084
2012-07-19

Power synthesis circuit for radio frequency power amplifier

 #87
20120176205
2012-07-12

Variable matching circuit

 #88
20120112850
2012-05-10

MATCHING SEGMENT CIRCUIT TO WHICH RADIO FREQUENCY IS APPLIED AND RADIO FREQUENCY INTEGRATED DEVICES USING THE MATCHING SEGMENT CIRCUIT

 #89
20120075033
2012-03-29

SINGLE MATCHING NETWORK FOR MATCHING MULTI-FREQUENCY AND METHOD OF CONSTRUCTURING THE SAME AND RADIO FREQUENCY POWER SOURCE SYSTEM USING THE SAME

 #90
20120044026
2012-02-23

Multiband matching circuit

 #91
20120032751
2012-02-09

VARIABLE IMPEDANCE MATCHING CIRCUIT

 #92
20110169587
2011-07-14

Signal transmitting/receiving circuit including an impedance matching circuit

 #93
20110127337
2011-06-02

Wireless IC device and electronic apparatus

 #94
20110090021
2011-04-21

Circuit for impedance matching

 #95
20110043298
2011-02-24

System for establishing communication with a mobile device server

 #96
20110014886
2011-01-20

Techniques for improved adaptive impedance matching

 #97
20100194491
2010-08-05

Multiband matching circuit and multiband power amplifier

 #98
20100194487
2010-08-05

Multiband matching circuit and multiband power amplifier

 #99
20100048240
2010-02-25

Integrated radio frequency filters for multiband transceivers

 #100
20090266900
2009-10-29

Wireless IC device and electronic apparatus

 #101
20090160527
2009-06-25

High frequency switching circuit for reducing insertion loss and restricting variations in harmonic levels

 #102
20090039976
2009-02-12

Adaptive impedance matching apparatus, system and method with improved dynamic range

 #103
20080290947
2008-11-27

Reconfigurable tunable RF power amplifier

 #104
20080261544
2008-10-23

Techniques for improved adaptive impedance matching

 #105
20080211598
2008-09-04

ON-CHIP IMPEDANCE MATCHING USING A VARIABLE CAPACITOR

 #106
20080106350
2008-05-08

Adaptive impedance matching apparatus, system and method with improved dynamic range

 #107
20070188273
2007-08-16

Resonant circuit, filter circuit, and multilayered substrate

 #108
20070139138
2007-06-21

Switchable dual-band filter

 #109
20060063493
2006-03-23

Integrated radio frequency filters for multiband transceivers

 #110
20050264466
2005-12-01

Matching unit and receiver apparatus using the same

 #111
16224998
2020-06-30

Compact millimeter-wave tuner

 #112
16058796
2020-02-11

High efficiency S-band amplifier

 #113
15991911
2019-09-17

Printed circuit board interposer for radio frequency signal transmission

 #114
15654713
2018-09-11

Specific multi-band antenna impedance matching circuit and tire-pressure monitoring device using same

 #115
14302472
2017-08-01

Multi-band low frequency impedance tuner