ClassID:

201687

H01F27/288 - CPC Classification

Classification description:

Details of transformers or inductances, in general; Coils; Windings; Conductive connections Shielding

Sub-classes:
Recent Application in this class:
#1
20260116224
2026-04-30

WIRELESS POWER TRANSFER

#2
20260095092
2026-04-02

RESONANT CONVERTER

#3
20260058052
2026-02-26

TRANSFORMER STRUCTURE

#4
20260004964
2026-01-01

Magnetic Device and the Method to Make the Same

#5
20250342999
2025-11-06

SEMICONDUCTOR DEVICE AND SEMICONDUCTOR MODULE

#6
20250279236
2025-09-04

TRANSFORMER WITH SPIRAL INDUCTORS

#7
20250157730
2025-05-15

COUPLED INDUCTOR STRUCTURES UTILIZING MAGNETIC FILMS

#8
20250112148
2025-04-03

TRANSFORMER GUARD TRACE

#9
20250046512
2025-02-06

INTEGRATED TRANSFORMER-INDUCTOR AND EMI SHIELD

#10
20250037915
2025-01-30

METHOD OF FABRICATION OF COMPOSITE MONOLITHIC STRUCTURES

#11
20240331913
2024-10-03

MULTILAYER ELECTRONIC COMPONENT

#12
20240270091
2024-08-15

WIRELESS POWER TRANSFER

#13
20240212926
2024-06-27

TRANSFORMER STRUCTURE

#14
20240212921
2024-06-27

INDUCTOR AND DC-DC CONVERTER USING THE SAME

#15
20240161965
2024-05-16

TRANSMITTER WITH NON-CLOSED MAGNET CORE

#16
20240112849
2024-04-04

Transformer Coil

#17
20240038440
2024-02-01

Coil module

#18
20230336083
2023-10-19

Data and power isolation barrier

#19
20230298805
2023-09-21

SEMICONDUCTOR DEVICE AND SEMICONDUCTOR MODULE

#20
20230282411
2023-09-07

Primary Coil and a Method for Manufacturing a Primary Coil

#21
20230154674
2023-05-18

Transformer structure

#22
20230137530
2023-05-04

Thin-foil self-resonant wireless power coil

#23
20230093369
2023-03-23

ELECTROSTATIC SHIELD FOR WIRELESS SYSTEMS

#24
20230063734
2023-03-02

ELECTRONIC DEVICE INCLUDING COIL ANTENNA AND MAGNET

#25
20230055987
2023-02-23

PLANAR COIL, AND DEVICE FOR MANUFACTURING SEMICONDUCTOR COMPRISING SAME

#26
20230022349
2023-01-26

ANTENNA STRUCTURE SUPPORTING WIRELESS CHARGING AND ELECTRONIC DEVICE HAVING THE SAME

#27
20220407433
2022-12-22

POWER MODULE OF ISOLATED CONVERTER

#28
20220406522
2022-12-22

COUPLED INDUCTOR STRUCTURES UTILIZING MAGNETIC FILMS

#29
20220328236
2022-10-13

RADIO FREQUENCY DISTRIBUTION CIRCUITS INCLUDING TRANSFORMERS AND/OR TRANSFORMER COUPLED COMBINERS

#30
20220285085
2022-09-08

INDUCTOR

#31
20220285078
2022-09-08

Three-dimensional wireless power transfer coil and apparatus having same

#32
20220270816
2022-08-25

TRANSFORMER AND SWITCHING POWER SUPPLY APPARATUS FOR REDUCING COMMON MODE NOISE DUE TO LINE-TO-GROUND CAPACITANCES

#33
20220225494
2022-07-14

Metamaterial electromagnetic absorber

#34
20220215998
2022-07-07

MULTILAYER ELECTRONIC COMPONENT

#35
20220148793
2022-05-12

Electronic device and the method to make the same

#36
20220130599
2022-04-28

Magnetic Device and the Method to Make the Same

#37
20220130585
2022-04-28

Stacked electronic module and method to make the same

#38
20210320566
2021-10-14

Electric compressor

#39
20210320532
2021-10-14

Wireless power transfer

#40
20210310829
2021-10-07

Displacement sensor having a coil structure, a shield member and a housing

#41
20210233700
2021-07-29

Semiconductor device and semiconductor module

#42
20210217556
2021-07-15

Wireless charger

#43
20200402702
2020-12-24

Data and power isolation barrier

#44
20200373072
2020-11-26

Coil device and wireless charging device including same

#45
20200373051
2020-11-26

Method of fabrication of composite monolithic structures

#46
20200366132
2020-11-19

Multiple coil flux pad

#47
20200350113
2020-11-05

Coil module

#48
20200335277
2020-10-22

Method for manufacturing inductor built-in substrate

#49
20200211961
2020-07-02

Transformer guard trace

#50
20200203058
2020-06-25

Semiconductor device and semiconductor module

#51
20200153229
2020-05-14

System for detecting and limiting the effects of loss of insulation of an electrical transformer

#52
20200152369
2020-05-14

PRINTED CIRCUIT BOARD COIL

#53
20200152366
2020-05-14

Low EMI transformator and low EMI electric cable

#54
20200141981
2020-05-07

Current sensing coil electrostatic shielding

#55
20200139829
2020-05-07

Inductive charging system with modular underground protection

#56
20200111600
2020-04-09

Wireless power transmitting module and installation method thereof

#57
20200105458
2020-04-02

Methods and apparatus for isolation barrier with integrated magnetics for high power modules

#58
20200076512
2020-03-05

Back-to-back isolation circuit

#59
20200075232
2020-03-05

Transformer structure

#60
20200075225
2020-03-05

MAGNETIC COUPLER AND COMMUNICATION SYSTEM

#61
20200075214
2020-03-05

Fractional transformer

#62
20200036227
2020-01-30

Electronic device including a plurality of wireless charge coils and operating method thereof

#63
20200027649
2020-01-23

Coil component

#64
20200027647
2020-01-23

Coil component

#65
20200020477
2020-01-16

Coil component

#66
20200013543
2020-01-09

High voltage winding and a high voltage electromagnetic induction device

#67
20190356165
2019-11-21

Inductive wireless power transfer device with improved coupling factor and high voltage isolation

#68
20190319489
2019-10-17

Laundry treating apparatus

#69
20190279813
2019-09-12

Coil component

#70
20190279808
2019-09-12

Surface mounting coil device and electronic equipment

#71
20190237242
2019-08-01

TRANSFORMER UNIT FOR A RESONANT CONVERTER

#72
20190229677
2019-07-25

Semiconductor device and method

#73
20190221365
2019-07-18

Coupled inductor structures utilizing magnetic films

#74
20190221359
2019-07-18

Electronic device and the method to make the same

#75
20190214852
2019-07-11

Wireless power control method and device for wireless charging

#76
20190214190
2019-07-11

Coil Unit for Inductively Charging a Vehicle, and System

#77
20190190317
2019-06-20

Wireless power supply device and electrical apparatus

#78
20190189343
2019-06-20

Coil assembly

#79
20190097447
2019-03-28

Wireless power transfer

#80
20190074724
2019-03-07

Antenna integration for portable electronic devices having wireless charging receiver systems

#81
20190074706
2019-03-07

Single-structure wireless charging receiver systems having multiple receiver coils

#82
20190051438
2019-02-14

Method of fabrication of composite monolithic structures

#83
20180366264
2018-12-20

Shield member and power transmission unit

#84
20180366263
2018-12-20

Power transmission unit and power transmission coil

#85
20180330867
2018-11-15

METHODS FOR FORMING SHIELD MATERIALS ONTO INDUCTIVE COILS

#86
20180323004
2018-11-08

Self-clamping structure for solving short-circuit resistance problem of amorphous alloy transformers

#87
20180286574
2018-10-04

Magnetic field shielding structure and mobile device including the magnetic field structure

#88
20180254655
2018-09-06

WIRELESS CHARGING APPARATUS

#89
20180241345
2018-08-23

Semiconductor Device and Method

#90
20180211766
2018-07-26

Bobbin with electromagnetic interference shield for electromagnetic device

#91
20180131325
2018-05-10

Coupling structure for inductive device

#92
20180096772
2018-04-05

Wireless charging receiving device

#93
20180090991
2018-03-29

Bobbin structure and transmitter coil for wireless charging mats

#94
20180090971
2018-03-29

Faraday cage for wireless charging devices

#95
20180090956
2018-03-29

Structural framework for wireless charging mats

#96
20180090955
2018-03-29

Wireless charging mats with multi-layer transmitter coil arrangements

#97
20180090954
2018-03-29

Wireless charging mats for portable electronic devices

#98
20180062418
2018-03-01

ELECTRONIC DEVICE SYSTEM

#99
20180040417
2018-02-08

INDUCTION CHARGING DEVICE

#100
20170346444
2017-11-30

Semiconductor device and method

#101
20170287624
2017-10-05

SEMICONDUCTOR DEVICE AND SEMICONDUCTOR MODULE

#102
20170259677
2017-09-14

Transmission coil for the inductive transfer of energy

#103
20170257064
2017-09-07

Semiconductor device and method

#104
20170178787
2017-06-22

Methods and apparatus for isolation barrier with integrated magnetics for high power modules

#105
20170104459
2017-04-13

Inductor shielding

#106
20170040830
2017-02-09

Wireless power charging device

#107
20170033737
2017-02-02

Coupling structure for inductive device

#108
20170012601
2017-01-12

Structures of planar transformer and balanced-to-unbalanced transformer

#109
20170012458
2017-01-12

Wireless charging board and wireless charging device

#110
20170011840
2017-01-12

Methods for forming shield materials onto inductive coils

#111
20160365189
2016-12-15

Divided ring for common-mode (CM) and differential-mode (DM) isolation

#112
20160217913
2016-07-28

WINDING UNIT, MAGNETIC COMPONENT AND POWER SUPPLY HAVING THE SAME

#113
20160155564
2016-06-02

Shield for toroidal core electromagnetic device, and toroidal core electromagnetic devices utilizing such shields

#114
20160134195
2016-05-12

PCB planar transformer and converter using the same

#115
20160111200
2016-04-21

Embedded magnetic component transformer device

#116
20160111197
2016-04-21

Embedded magnetic component transformer device

#117
20150357109
2015-12-10

Reactor provided with a cooler

#118
20150348696
2015-12-03

Induction charging coil device

#119
20150287511
2015-10-08

CONNECTOR DEVICE

#120
20150279556
2015-10-01

Coil unit and wireless power transmission device

#121
20150170825
2015-06-18

Planar Transformer and Electrical Component

#122
20150155090
2015-06-04

TRANSFORMER

#123
20150137314
2015-05-21

Semiconductor device and semiconductor module

#124
20150130545
2015-05-14

Coupling structure for inductive device

#125
20150008877
2015-01-08

Vehicle with shielded power receiving coil

#126
20150001951
2015-01-01

Shield part, method of fabricating the same, and contactless power transmission device having the shield part

#127
20140347158
2014-11-27

Isolation transformer for use in isolated DC-to-DC switching power supply

#128
20140268944
2014-09-18

Surge blocking inductor

#129
20140266530
2014-09-18

Integrated magnetic assemblies and methods of assembling same

#130
20140176292
2014-06-26

Shield for toroidal core electromagnetic device, and toroidal core electromagnetic devices utilizing such shields

#131
20140153147
2014-06-05

Method for manufacturing magnetic substrate and common mode filter

#132
20140035712
2014-02-06

Cable and electromagnetic device comprising the same

#133
20130321113
2013-12-05

Dry-type transformer and method of manufacturing a dry-type transformer

#134
20130057378
2013-03-07

Method for manufacturing magnetic substrate and common mode filter

#135
20100109830
2010-05-06

TRANSFORMER

#136
20090179724
2009-07-16

Power Inductor

#137
20080197957
2008-08-21

Coil unit and electronic instrument

#138
20050184846
2005-08-25

Ignition coil

#139
20050127773
2005-06-16

Rotating asynchronous converter and a generator device

#140
20050099258
2005-05-12

Power transformer/inductor

#141
14251364
2017-05-09

LC tank circuitry with shielding structures