ClassID:

201685

H01F27/2871 - CPC Classification

Classification description:

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

Recent Application in this class:
#1
20260066183
2026-03-05

COIL COMPONENT, METHOD FOR MANUFACTURING COIL COMPONENT, AND ELECTRONIC/ELECTRIC DEVICE

#2
20260012040
2026-01-08

WIRELESS POWER TRANSMISSION COIL, COIL ASSEMBLY, AND ELECTRONIC DEVICE

#3
20260011488
2026-01-08

COIL UNIT, POWER TRANSMISSION APPARATUS, POWER RECEIVING APPARATUS, ELECTRIC POWER TRANSFER SYSTEM, AND MOVABLE BODY

#4
20250378992
2025-12-11

FLAT COIL-TYPE WIRELESS CHARGING MODULE AND FLAT COIL-TYPE POWER SUPPLY

#5
20250350148
2025-11-13

NON-CONTACT POWER RECEPTION APPARATUS FOR NON-CONTACT CHARGING AND ELECTRONIC SETTLEMENT PERFORMED IN A SINGLE PORTABLE TERMINAL

#6
20250330049
2025-10-23

MEDICAL DEVICE WIRELESS CHARGING SYSTEM

#7
20250308764
2025-10-02

COIL COMPONENT

#8
20250293182
2025-09-18

COMPACT DEVICE FOR IMPROVED HIGH-SPEED SIGNAL INTEGRITY

#9
20240331938
2024-10-03

INDUCTIVE COIL ASSEMBLY AND METHOD OF PRODUCING THE SAME

#10
20240296985
2024-09-05

COIL, ELECTRICAL SYSTEM INCLUDING THE SAME AND METHOD OF MAKING COIL

#11
20240282511
2024-08-22

Wireless charging coil, electronic device, and antenna

#12
20240233994
2024-07-11

SKELETONLESS WINDING AND MAGNETIC ASSEMBLY

#13
20240038440
2024-02-01

Coil module

#14
20230327488
2023-10-12

Medical device wireless charging system

#15
20230296694
2023-09-21

OPTICAL SENSING METHODS AND SYSTEMS FOR TRANSFORMERS, AND THE CONSTRUCTION THEREOF

#16
20230253830
2023-08-10

COIL COMPONENT AND WIRELESS POWER TRANSMISSION DEVICE HAVING THE SAME

#17
20230208192
2023-06-29

NON-CONTACT POWER RECEPTION APPARATUS FOR NON-CONTACT CHARGING AND ELECTRONIC SETTLEMENT PERFORMED IN A SINGLE PORTABLE TERMINAL

#18
20230208041
2023-06-29

Filter device, and high-frequency front end circuit and diplexer that are equipped with the filter device

#19
20230141926
2023-05-11

TRANSFORMER

#20
20230092162
2023-03-23

INSULATING DEVICE AND ISOLATOR

#21
20230076761
2023-03-09

TRANSFORMER AND FLAT PANEL DISPLAY DEVICE INCLUDING SAME

#22
20220393609
2022-12-08

POWER SUPPLY MODULE AND TRANSFORMER POWER SUPPLY DEVICE

#23
20220293330
2022-09-15

INDUCTANCE COIL WITH VARIED GEOMETRY

#24
20220285490
2022-09-08

Digital isolator

#25
20220277886
2022-09-01

COIL MODULE

#26
20220157503
2022-05-19

COIL MODULE AND ACTUATOR EQUIPPED WITH SAME

#27
20220148793
2022-05-12

Electronic device and the method to make the same

#28
20220130593
2022-04-28

Multilayer resin substrate and method of manufacturing multilayer resin substrate

#29
20220077720
2022-03-10

Coil module, power transmitting circuit and power receiving circuit

#30
20210373505
2021-12-02

Watch charging assembly

#31
20210364334
2021-11-25

Foldable and intrinsically safe coiled inductance sensors for sensing depth of solids in liquids and sensing depth of two different types of liquids in hazardous locations

#32
20210358680
2021-11-18

NESTED FLAT WOUND COILS FORMING WINDINGS FOR TRANSFORMERS AND INDUCTORS

#33
20210358668
2021-11-18

PARTIALLY-INSULATED HTS COILS

#34
20210336488
2021-10-28

Non-contact power reception apparatus for non-contact charging and electronic settlement performed in a single portable terminal

#35
20210281113
2021-09-09

Coil module

#36
20210273495
2021-09-02

Devices for the contactless inductive charging of an electrical energy store

#37
20210272738
2021-09-02

Coil component

#38
20210265109
2021-08-26

Wireless charging coil

#39
20210151250
2021-05-20

Coil module, wireless charging transmitting apparatus, wireless charging receiving apparatus, wireless charging system, and mobile terminal

#40
20210142942
2021-05-13

Coil module, wireless charging transmitting apparatus, wireless charging receiving apparatus, wireless charging system, and terminal

#41
20210125760
2021-04-29

Wireless charging coil

#42
20210091590
2021-03-25

Plastic back crystal window with insert-molded planar coil

#43
20210036095
2021-02-04

Substrate-compatible inductors with magnetic layers

#44
20210035729
2021-02-04

Coil component

#45
20210012959
2021-01-14

Coil module, wireless charging transmitting apparatus, receiving apparatus, system, and terminal

#46
20210006095
2021-01-07

Wireless power transfer apparatus with radially arrayed magnetic structures

#47
20210005376
2021-01-07

Coil component and method for fabricating the same

#48
20200412175
2020-12-31

Wireless power transmission apparatus

#49
20200395168
2020-12-17

Inductance coil with varied geometry

#50
20200381954
2020-12-03

Non-contact power reception apparatus for non-contact charging and electronic settlement performed in a single portable terminal

#51
20200381953
2020-12-03

Non-contact power reception apparatus for non-contact charging and electronic settlement performed in a single portable terminal

#52
20200373077
2020-11-26

Coil component

#53
20200366132
2020-11-19

Multiple coil flux pad

#54
20200365304
2020-11-19

Partially-insulated HTS coils

#55
20200350113
2020-11-05

Coil module

#56
20200343030
2020-10-29

Superconducting current limiting dipole, comprising at least four superconducting cables

#57
20200279686
2020-09-03

Coil, wireless charging receiving apparatus, wireless charging transmission apparatus, and system

#58
20200243252
2020-07-30

Coil structure for a dry-type transformer and a winding method thereof

#59
20200217903
2020-07-09

Optical sensing methods and systems for power applications, and the construction thereof

#60
20200212726
2020-07-02

Wireless power transmission device

#61
20200185138
2020-06-11

INDUCTOR STRUCTURES

#62
20200161040
2020-05-21

Wireless power transmission device for vehicle

#63
20200152368
2020-05-14

Fluid-cooled electromagnets

#64
20200148067
2020-05-14

Device for a wireless power transfer system for a vehicle

#65
20200114640
2020-04-16

System for manufacturing an inductor core

#66
20200090856
2020-03-19

THIN TRANSFORMER AND METHOD OF PRODUCTION OF SAME

#67
20190393712
2019-12-26

Wireless charging system including boost converter and transmission coil structure

#68
20190378650
2019-12-12

Current distribution and thermal regulation in inductive power transfer coupling structures

#69
20190363581
2019-11-28

Wireless charging coil

#70
20190348854
2019-11-14

WIRELESS POWER TRANSMITTING APPARATUS AND WIRELESS POWER RECEIVING APPARATUS

#71
20190273398
2019-09-05

Non-contact power reception apparatus for non-contact charging and electronic settlement performed in a single portable terminal

#72
20190267185
2019-08-29

Wireless power transmitting apparatus

#73
20190229677
2019-07-25

Semiconductor device and method

#74
20190221359
2019-07-18

Electronic device and the method to make the same

#75
20190207579
2019-07-04

High-power radio-frequency spiral-coil filter

#76
20190206616
2019-07-04

Induction type power supply system and coil module thereof

#77
20190198240
2019-06-27

Coil design for wireless power transfer

#78
20190148065
2019-05-16

Coil unit for contactless power supply

#79
20190131056
2019-05-02

Coil component

#80
20190115151
2019-04-18

Manufacturing method of flat coil and electronic apparatus

#81
20190109373
2019-04-11

Coil assembly

#82
20190108940
2019-04-11

Power transmission unit

#83
20190089196
2019-03-21

Wireless device

#84
20190089188
2019-03-21

Wireless device

#85
20190074135
2019-03-07

Wireless power transfer pad with ferrite pyramid-shaped chimney

#86
20190074134
2019-03-07

Wireless power transfer pad with ferrite chimney

#87
20190057805
2019-02-21

DRY-TYPE TRANSFORMER COIL AND A WINDING METHOD THEREFOR

#88
20190057804
2019-02-21

DRY-TYPE TRANSFORMER COIL AND A WINDING METHOD THEREFOR

#89
20190054828
2019-02-21

Coil unit

#90
20190041446
2019-02-07

Optical sensing methods and systems for transformers, and the construction thereof

#91
20190036347
2019-01-31

Coil unit, and power transmitting device, power receiving device and wireless power transmission system using the coil unit

#92
20190006884
2019-01-03

Power transmission device and power reception device

#93
20190006094
2019-01-03

Coil apparatus

#94
20180375378
2018-12-27

Electronic device including non-contact charging module

#95
20180374626
2018-12-27

Coil component and method for fabricating the same

#96
20180366264
2018-12-20

Shield member and power transmission unit

#97
20180366263
2018-12-20

Power transmission unit and power transmission coil

#98
20180342895
2018-11-29

Wireless power transmission device and wireless power charging system including the same

#99
20180301274
2018-10-18

High efficiency on-chip 3D transformer structure

#100
20180301249
2018-10-18

Superconducting wire rod and superconducting coil

#101
20180286576
2018-10-04

PANCAKE COILS FOR WIRELESS ENERGY TRANSMISSION TO ELECTRIC VEHICLES

#102
20180277294
2018-09-27

Non-contact power feeding coil and non-contact power feeding system

#103
20180262063
2018-09-13

Non-contact power feeding coil and non-contact power feeding system

#104
20180261384
2018-09-13

Induction type power supply system and coil module thereof

#105
20180261383
2018-09-13

Coil unit, wireless power transmitting device, wireless power receiving device, and wireless power transmission system

#106
20180248255
2018-08-30

Antenna unit and wireless power transmission module including same

#107
20180241345
2018-08-23

Semiconductor Device and Method

#108
20180219422
2018-08-02

Structure of wireless power transmission system

#109
20180211772
2018-07-26

Wireless charging coil

#110
20180211771
2018-07-26

Wireless charging coil

#111
20180182533
2018-06-28

Electronic component and method of manufacturing the same

#112
20180175668
2018-06-21

Electronic device including non-contact charging module

#113
20180166209
2018-06-14

Stationary induction apparatus

#114
20180159372
2018-06-07

Electronic device including non-contact charging module

#115
20180158601
2018-06-07

Wireless power transfer systems with shield openings

#116
20180141451
2018-05-24

Coil unit

#117
20180138732
2018-05-17

Wireless charging coil

#118
20180131325
2018-05-10

Coupling structure for inductive device

#119
20180108471
2018-04-19

Wireless power transmitting apparatus

#120
20180086211
2018-03-29

Twisted wire for power charging

#121
20180054079
2018-02-22

Cell phone having wireless charging function

#122
20180047491
2018-02-15

Electronic component

#123
20180040415
2018-02-08

Isolation transformer

#124
20180025834
2018-01-25

Integrated copper bar for secondary power circuit of power electronic converter

#125
20170366046
2017-12-21

Double-D based pad magnetics for reduced emissions in flush mounted and buried wireless power transfer applications

#126
20170365398
2017-12-21

Electrostatic shielding of planar magnetic devices of electrosurgical generators

#127
20170346444
2017-11-30

Semiconductor device and method

#128
20170338683
2017-11-23

Non-contact power reception apparatus for non-contact charging and electronic settlement performed in a single portable terminal

#129
20170323718
2017-11-09

Nested flat wound coils forming windings for transformers and inductors

#130
20170301454
2017-10-19

Stationary induction electrical apparatus

#131
20170264103
2017-09-14

Power transmission apparatus, power transmission device and power reception device for power transmission apparatus

#132
20170257064
2017-09-07

Semiconductor device and method

#133
20170243694
2017-08-24

Winding unit

#134
20170222472
2017-08-03

Wireless power transmitting apparatus and wireless power receiving apparatus

#135
20170213644
2017-07-27

Receiving antenna and wireless power receiving apparatus comprising same

#136
20170169933
2017-06-15

Coil component

#137
20170155286
2017-06-01

Power transmission device, and power transmitter and power receiver for the same

#138
20170117086
2017-04-27

Inductance coil with varied geometry

#139
20170054318
2017-02-23

3D shaped inductive charging coil and method of making the same

#140
20170040845
2017-02-09

Power transmission apparatus and power reception apparatus

#141
20170040105
2017-02-09

Method of fabricating a single structure multi mode antenna for wireless power transmission using magnetic field coupling

#142
20170033737
2017-02-02

Coupling structure for inductive device

#143
20170032640
2017-02-02

Cordless indicia reader with a multifunction coil for wireless charging and EAS deactivation

#144
20170018947
2017-01-19

Wireless charging device for charging a plurality of wireless power receiving apparatus and charging method thereof

#145
20160344223
2016-11-24

Wireless power charging system

#146
20160322160
2016-11-03

Method of manufacturing an electronic component

#147
20160268035
2016-09-15

VEHICLE-MOUNTED TRANSFORMER

#148
20160248272
2016-08-25

Non-contact power reception apparatus for non-contact charging and electronic settlement performed in a single portable terminal

#149
20160203908
2016-07-14

Method for producing a monolithic electromagnetic component

#150
20160203905
2016-07-14

Coil module and electronic apparatus

#151
20160172896
2016-06-16

Electronic device including non-contact charging module

#152
20160133379
2016-05-12

Magnetic element and bobbin assembly thereof

#153
20160111206
2016-04-21

TRANSFORMER

#154
20160093421
2016-03-31

Electrical insulation system

#155
20160028240
2016-01-28

Inductive power transfer apparatus

#156
20160027573
2016-01-28

Coil structure of open ventilated type stereoscopic wound-core dry-type transformer

#157
20160012967
2016-01-14

Resonator balancing in wireless power transfer systems

#158
20150372506
2015-12-24

Power feeding device, power receiving device and wireless power feeding system

#159
20150371758
2015-12-24

High efficiency on-chip 3D transformer structure

#160
20150367141
2015-12-24

Magnetic neurostimulation with reduced acoustic emission

#161
20150364244
2015-12-17

Induction coil structure for wireless charging device

#162
20150348919
2015-12-03

Reconfigurable multi-stack inductor

#163
20150333562
2015-11-19

Wireless charging transmitter and wireless charging system using the same

#164
20150332841
2015-11-19

Litz wire coil

#165
20150325362
2015-11-12

Coil module

#166
20150302984
2015-10-22

Wireless power transfer systems with shield openings

#167
20150288196
2015-10-08

Wireless power transmitting apparatus

#168
20150244203
2015-08-27

Wireless charging coil

#169
20150221430
2015-08-06

Modularized planar coil and planar transformer using the same

#170
20150221429
2015-08-06

Planar Coil Module and Planar Transformer Using the Same

#171
20150179338
2015-06-25

Method of winding a conductor in double pancake

#172
20150145635
2015-05-28

Method of making a wireless charging coil

#173
20150145634
2015-05-28

Wireless charging coil

#174
20150145630
2015-05-28

Coil

#175
20150145343
2015-05-28

Power feeding coil unit and wireless power transmission device

#176
20150130545
2015-05-14

Coupling structure for inductive device

#177
20150130413
2015-05-14

Hand tool device having at least one charging coil

#178
20150123485
2015-05-07

Electric power transmission system with power transmission and receiving antennas

#179
20150084733
2015-03-26

Reconfigurable multi-stack inductor

#180
20150054350
2015-02-26

Winding arrangements in wireless power transfer systems

#181
20150028986
2015-01-29

High efficiency on-chip 3D transformer structure

#182
20150015082
2015-01-15

Power transmission apparatus, power transmission device and power reception device for power transmission apparatus

#183
20150008877
2015-01-08

Vehicle with shielded power receiving coil

#184
20140340031
2014-11-20

Wireless power transmission for battery charging

#185
20140333401
2014-11-13

Reactor and compound used in same

#186
20140327509
2014-11-06

High impedance air core reactor

#187
20140306653
2014-10-16

Coil module and electronic apparatus

#188
20140266030
2014-09-18

Coil substrate for wireless charging and electric device using the same

#189
20140232335
2014-08-21

Contactless charging module, contactless charging device, and method of manufacturing contactless charging module

#190
20140225705
2014-08-14

FLAT INDUCTOR AND METHODS OF MANUFACTURING AND USING THE SAME

#191
20140218151
2014-08-07

Dry-type transformer

#192
20140191584
2014-07-10

Power transmission device, and power transmitter and power receiver for the same

#193
20140184151
2014-07-03

Coil for cordless charging and cordless charging apparatus using the same

#194
20140091758
2014-04-03

Electronic device including non-contact charging module

#195
20140054973
2014-02-27

Information transmission apparatus and system using inductive coupling between coils

#196
20140015630
2014-01-16

Method for fabricating a lead-frameless power inductor

#197
20140008974
2014-01-09

Electric power feed apparatus, electric power feed system, and electronic apparatus

#198
20130278371
2013-10-24

Flat coil windings, and inductive devices and electronics assemblies that utilize flat coil windings

#199
20130187255
2013-07-25

Power inductors in silicon

#200
20130119779
2013-05-16

Power transmitting coil and wireless power transmitting apparatus

#201
20130113587
2013-05-09

Multi-phase transformer and transformation system

#202
20130106198
2013-05-02

Core assembly for wireless power communication, power supplying device for wireless power communication having the same, and method for manufacturing the same

#203
20130069756
2013-03-21

Hand tool device having at least one charging coil

#204
20130002042
2013-01-03

Method for manufacturing module with planar coil, and module with planar coil

#205
20120280776
2012-11-08

COMPOSITE WOUND ELEMENT AND TRANSFORMER USING SAME, TRANSFORMATION SYSTEM, AND COMPOSITE WOUND ELEMENT FOR NOISE-CUT FILTER

#206
20120169279
2012-07-05

CONTACTLESS CHARGING APPARATUS, CONTACTLESS CHARGING BATTERY APPARATUS, AND CONTACTLESS CHARGING SYSTEM INCLUDING SAME

#207
20120154101
2012-06-21

ELECTROMAGNETIC INDUCTION COIL UNIT AND ELECTROMAGNETIC INDUCTION DEVICE

#208
20120025940
2012-02-02

Coil

#209
20110316475
2011-12-29

Non-contact power reception apparatus and jig for fabricating core for non-contact power reception apparatus

#210
20110285215
2011-11-24

Method for manufacturing module with planar coil, and module with planar coil

#211
20110260818
2011-10-27

SLIM TYPE HIGH VOLTAGE TRANSFORMER

#212
20110260817
2011-10-27

Slim type high voltage transformer

#213
20110205007
2011-08-25

Transformer device

#214
20110175602
2011-07-21

INDUCTORS WITH UNIFORM MAGNETIC FIELD STRENGTH IN THE NEAR-FIELD

#215
20110169338
2011-07-14

Power feeding device, power receiving device and wireless power feeding system

#216
20110169337
2011-07-14

POWER FEED DEVICE, POWER RECEIVING DEVICE, AND WIRELESS POWER FEED SYSTEM

#217
20110116198
2011-05-19

Conductor arrangement for a resistive switching element having at least two composite conductors made from superconducting conductor bands

#218
20110102125
2011-05-05

Plane coil

#219
20110090035
2011-04-21

Coil

#220
20110075368
2011-03-31

Water-cooled reactor

#221
20110063062
2011-03-17

Disc wound transformer with improved cooling

#222
20110037551
2011-02-17

Oil filled transformer with spacers and spacers for separating and supporting stacked windings

#223
20110018676
2011-01-27

Transformer assembly

#224
20100328008
2010-12-30

Disc winding

#225
20100277004
2010-11-04

PLANAR COIL AND CONTACTLESS ELECTRIC POWER TRANSMISSION DEVICE USING THE SAME

#226
20100162557
2010-07-01

Method of forming a disc-wound transformer with improved cooling and impulse voltage distribution

#227
20100033282
2010-02-11

Assembly structure of transformer, system circuit board and auxiliary circuit board

#228
20090289750
2009-11-26

Sheet type transformer and discharge lamp lighting apparatus

#229
20090286685
2009-11-19

Resistive superconducting current-limiter device with bifilar coil winding composed of HTS ribbon conductors and turn separator

#230
20090264294
2009-10-22

Superconducting current limiter device of the resistive type having a holding element

#231
20090243781
2009-10-01

Method of manufacturing a conductor circuit, and a coil sheet and laminated coil

#232
20090230777
2009-09-17

Inductive power supply system with multiple coil primary

#233
20090219126
2009-09-03

ALPHA-TURN COIL

#234
20090170708
2009-07-02

Superconducting wire and superconducting coil made therewith

#235
20090102419
2009-04-23

WIRELESS CHARGER DECREASED IN VARIATION OF CHARGING EFFICIENCY

#236
20090021212
2009-01-22

Coil unit and electronic instrument

#237
20090015362
2009-01-15

Coil unit and electronic instrument

#238
20080309444
2008-12-18

Electrical Winding

#239
20080297107
2008-12-04

Contactless power transferring coil unit, mobile terminal, power transmitting apparatus, and contactless power transferring system

#240
20080239759
2008-10-02

DC/DC converter

#241
20080211613
2008-09-04

Transformer

#242
20080197960
2008-08-21

Coil unit, method of manufacturing the same, and electronic instrument

#243
20080197957
2008-08-21

Coil unit and electronic instrument

#244
20080174397
2008-07-24

High quality factor, low volume, air-core inductor

#245
20080164844
2008-07-10

Noncontact power-transmission coil, portable terminal and terminal charging device, planar coil magnetic layer formation device, and magnetic layer formation method

#246
20080163661
2008-07-10

Dent Removing Method and Device

#247
20080070788
2008-03-20

Resistive type super conductive current-limiting device comprising a strip-shaped high-T-super conductive path

#248
20080061919
2008-03-13

Insulators for transformers

#249
20080024256
2008-01-31

Disc wound transformer with improved cooling and impulse voltage distribution

#250
20070279177
2007-12-06

Disc-wound transformer with foil conductor and method of manufacturing the same

#251
20070273465
2007-11-29

Transformer

#252
20070114704
2007-05-24

Treatment of micropores in mica materials

#253
20070096858
2007-05-03

Electromagnetic coil

#254
20070026221
2007-02-01

Morphological forms of fillers for electrical insulation

#255
20060290459
2006-12-28

Optimal packaging geometries of single and multi-layer windings

#256
20060280873
2006-12-14

Seeding of HTC fillers to form dendritic structures

#257
20060238928
2006-10-26

Superconducting coil

#258
20060202787
2006-09-14

Pancake type bifilar winding module using high-tc superconducting wire and bobbin for winding therefor

#259
20060077025
2006-04-13

Superconducting wire and superconducting coil employing it

#260
20060071747
2006-04-06

Method for manufacturing superconducting coils

#261
20060022788
2006-02-02

Surface mount coil component

#262
20050212634
2005-09-29

Overlapped superconducting inductive device

#263
20050206489
2005-09-22

Main conductor for a capacitively controlled high-voltage winding