ClassID:

201665

H01F27/25 - CPC Classification

Classification description:

Details of transformers or inductances, in general; Magnetic cores made from strips or ribbons

Recent Application in this class:
#1
20250247001
2025-07-31

INDUCTOR AND DC-DC CONVERTER

#2
20250232907
2025-07-17

COMPOSITE LAMINATED SOFT MAGNETIC RIBBON WITH CONTROLLED PROPERTY

#3
20250149236
2025-05-08

REDUCTION OF EDDY CURRENT LOSS INDUCED BY LEAKAGE MAGNETIC FIELD IN TRANSFORMERS AND INDUCTORS

#4
20250079070
2025-03-06

POWER MODULE

#5
20240331910
2024-10-03

ELECTRONIC COMPONENT

#6
20240274348
2024-08-15

CORE STRUCTURE AND COIL ASSEMBLY COMPRISING THE SAME

#7
20240266103
2024-08-08

MAGNETIC COMPONENT

#8
20240263289
2024-08-08

Fe-BASED AMORPHOUS ALLOY RIBBON, PRODUCTION METHOD THEREOF, IRON CORE, AND TRANSFORMER

#9
20240212910
2024-06-27

Electrical Steel Strip, Use of an Electrical Steel Strip and Method for Producing an Electrical Steel Strip

#10
20240191333
2024-06-13

Fe-based amorphous alloy ribbon, production method thereof, iron core, and transformer

#11
20240153686
2024-05-09

WOUND MAGNETIC CORE, ALLOY CORE, AND METHOD FOR MANUFACTURING WOUND MAGNETIC CORE

#12
20240120146
2024-04-11

INDUCTOR-INTEGRATED TRANSFORMER

#13
20230386728
2023-11-30

Core for Stationary Electromagnetic Apparatus

#14
20230360837
2023-11-09

MAGNETIC SHEET, MULTILAYER MAGNETIC SHEET, AND METHOD FOR MANUFACTURING MAGNETIC SHEET

#15
20230326654
2023-10-12

MAGNETIC CORE WITH VERTICAL LAMINATIONS HAVING HIGH ASPECT RATIO

#16
20230317368
2023-10-05

Wound magnetic core

#17
20230207179
2023-06-29

MAGNETIC CORE AND MAGNETIC COMPONENT

#18
20230146165
2023-05-11

SUBSTRATE EMBEDDED MAGNETIC CORE INDUCTORS AND METHOD OF MAKING

#19
20230026583
2023-01-26

Soft Magnetic Alloy Ribbon And Magnetic Core

#20
20220375666
2022-11-24

Fe-based amorphous alloy ribbon, iron core, and transformer

#21
20220364212
2022-11-17

Fe-based amorphous alloy ribbon, production method thereof, iron core, and transformer

#22
20220270806
2022-08-25

Amorphous metal ribbon, method for manufacturing amorphous metal ribbon, and magnetic core

#23
20220254559
2022-08-11

Substrate embedded magnetic core inductors and method of making

#24
20220238266
2022-07-28

SOFT MAGNETIC ALLOY, SOFT MAGNETIC ALLOY RIBBON, METHOD OF MANUFACTURING SOFT MAGNETIC ALLOY RIBBON, MAGNETIC CORE, AND COMPONENT

#25
20220181066
2022-06-09

Reactor

#26
20220172875
2022-06-02

MAGNETIC RIBBON AND MAGNETIC CORE USING SAME

#27
20220102037
2022-03-31

Wound magnetic core, alloy core, and method for manufacturing wound magnetic core

#28
20220068543
2022-03-03

Magnetic sheet and wireless power reception apparatus

#29
20220037073
2022-02-03

Inductor component and DC/DC converter using the same

#30
20210407732
2021-12-30

Composite Material for a Transformer

#31
20210388476
2021-12-16

STRIP OF A COBALT IRON ALLOY, LAMINATED CORE AND METHOD OF PRODUCING A STRIP OF A COBALT IRON ALLOY

#32
20210375536
2021-12-02

MIXED MATERIAL MAGNETIC CORE FOR SHIELDING OF EDDY CURRENT INDUCED EXCESS LOSSES

#33
20210343466
2021-11-04

Laminated core, core block, electric motor and method of producing core block

#34
20210335538
2021-10-28

THREE-DIMENSIONAL WOUND IRON CORE, METHOD AND DEVICE FOR MANUFACTURING THE SAME BY USING SINGLE-LAYER AMORPHOUS STRIP

#35
20210304959
2021-09-30

Method for manufacturing a wound magnetic core

#36
20210241973
2021-08-05

Method for producing a laminated core

#37
20210217551
2021-07-15

Magnetic core for an electromagnetic induction device, an electromagnetic induction device comprising the same, and a method of manufacturing a magnetic core

#38
20210202144
2021-07-01

Soft magnetic alloy, soft magnetic alloy ribbon, method of manufacturing soft magnetic alloy ribbon, magnetic core, and component

#39
20210098175
2021-04-01

Transformer

#40
20210065959
2021-03-04

Magnetic core with vertical laminations having high aspect ratio

#41
20210057933
2021-02-25

Wireless power transmission system for rotating connector

#42
20210057133
2021-02-25

Fe-based amorphous alloy ribbon and method for producing same, iron core, and transformer

#43
20210044019
2021-02-11

Antenna module comprising shield layer and wireless power receiving device

#44
20210035726
2021-02-04

MAGNETIC CORE AND METHOD FOR MANUFACTURING SAME, AND COIL COMPONENT

#45
20210005374
2021-01-07

Magnetic assembly

#46
20210005364
2021-01-07

MAGNETIC CORE, METHOD OF MANUFACTURING SAME, AND COIL COMPONENT

#47
20200299820
2020-09-24

Strip of a cobalt iron alloy, laminated core and method of producing a strip of a cobalt iron alloy

#48
20200286669
2020-09-10

Core body and reactor

#49
20200286668
2020-09-10

Transformer and power converter

#50
20200279675
2020-09-03

Coil component

#51
20200251279
2020-08-06

Method for manufacturing alloy ribbon

#52
20200224286
2020-07-16

Method for crystallization heat treating a stack of amorphous alloy ribbons

#53
20200220394
2020-07-09

Electric component including custom metal grain orientation

#54
20200185151
2020-06-11

Method and device for producing soft magnetic strip material for strip ring cores

#55
20200132730
2020-04-30

Coil wire, current sensor component, and current sensor

#56
20200075236
2020-03-05

Wound magnetic core manufacturing method and wound magnetic core

#57
20200005987
2020-01-02

Substrate embedded magnetic core inductors and method of making

#58
20190379246
2019-12-12

Laminate for use in core

#59
20190368018
2019-12-05

IRON-BASED AMORPHOUS ALLOY

#60
20190355514
2019-11-21

Bifilar layer-insulated magnetic core and method for the production of a wound nanocrystalline magnetic core

#61
20190295762
2019-09-26

THREE-DIMENSIONAL WOUND CORE OF TRANSFORMER WITH ISOSCELES TRIANGULAR IRON YOKES

#62
20190259523
2019-08-22

Inductive component and method of manufacturing an inductive component

#63
20190237235
2019-08-01

Magnetic sheet and wireless power reception apparatus

#64
20190221346
2019-07-18

Stress control in magnetic inductor stacks

#65
20190206606
2019-07-04

Inductive filtering device with toric magnetic core

#66
20190189317
2019-06-20

Amorphous alloy magnetic core

#67
20190181700
2019-06-13

Iron core and motor using iron core

#68
20190122805
2019-04-25

Stationary induction electric device

#69
20190066903
2019-02-28

SEGMENTED CORE SYSTEM FOR TOROIDAL TRANSFORMERS

#70
20190027302
2019-01-24

Shield unit for wireless charging and wireless power transmission module comprising same

#71
20190013135
2019-01-10

Core body reactor

#72
20190011599
2019-01-10

Tape format magnetoelastic resonator markers

#73
20180366265
2018-12-20

Magnetic-shield-type converter

#74
20180334737
2018-11-22

Amorphous alloy ribbon and method for manufacturing same

#75
20180308612
2018-10-25

Power inductor

#76
20180287307
2018-10-04

Connector and wire harness

#77
20180286564
2018-10-04

POWER CONVERTER MODULE

#78
20180286550
2018-10-04

Soft magnetic ribbon for magnetic core, magnetic core, coil unit, and wireless power transmission unit

#79
20180233267
2018-08-16

Core for stationary induction apparatus

#80
20180226183
2018-08-09

AC permanent magnet gain transformer device and its voltage regulation and control method

#81
20180218813
2018-08-02

Soft magnetic alloy and magnetic device

#82
20180204669
2018-07-19

Stationary induction apparatus core

#83
20180182530
2018-06-28

Integrated magnetic core inductor with vertical laminations

#84
20180174734
2018-06-21

Method for increasing pad efficiency and robustness

#85
20180166213
2018-06-14

Method for producing laminated magnetic core

#86
20180130594
2018-05-10

CORE FOR A 3-PHASE TRANSFORMER, AND A 3-PHASE TRANSFORMER

#87
20180122565
2018-05-03

Converter device and coil arrangement for a voltage regulator

#88
20180096776
2018-04-05

Integrated inductor with adjustable coupling

#89
20180082781
2018-03-22

Circuit arrangement for reducing a magnetic unidirectional flux component in the core of a transformer

#90
20180061549
2018-03-01

Method and device for manufacturing transformers with a core made of amorphous material, and transformer thus produced

#91
20180040409
2018-02-08

Transformer

#92
20180005740
2018-01-04

Stress control in magnetic inductor stacks

#93
20170365393
2017-12-21

Wireless power reception apparatus and wireless power transmission system including the same

#94
20170365392
2017-12-21

Fe—Si—B—C-based amorphous alloy ribbon and transformer core formed thereby

#95
20170345554
2017-11-30

Basic module for magnetic core of an electrical transformer, magnetic core comprising said basic module, method for manufacturing said magnetic core, and transformer comprising said magnetic core

#96
20170345544
2017-11-30

METHODS AND SYSTEMS FOR FORMING AMORPHOUS METAL TRANSFORMER CORES

#97
20170338037
2017-11-23

Planar transformer components comprising electrophoretically deposited coating

#98
20170294267
2017-10-12

Method of manufacturing amorphous alloy magnetic core

#99
20170294255
2017-10-12

Method of manufacturing an amorphous alloy magnetic core

#100
20170278628
2017-09-28

Method for manufacturing laminated iron core and apparatus for manufacturing laminated iron core

#101
20170271070
2017-09-21

Dry-type transformer core

#102
20170229858
2017-08-10

Fault current limiter

#103
20170229237
2017-08-10

Heat treatment apparatus for laminated body of amorphous alloy ribbon and soft magnetic core

#104
20170213641
2017-07-27

Circuit arrangement for reducing a unidirectional flux component in the soft-magnetic core of a transformer

#105
20170178805
2017-06-22

Rapidly quenched Fe-based soft-magnetic alloy ribbon and its production method and core

#106
20170141625
2017-05-18

Electric component including custom metal grain orientation

#107
20170140868
2017-05-18

Variable inductor and method for manufacturing the same

#108
20170110235
2017-04-20

COIL AND METHOD FOR MANUFACTURING SAME

#109
20170062116
2017-03-02

COIL ELECTRONIC COMPONENT AND METHOD OF MANUFACTURING THE SAME

#110
20170040099
2017-02-09

ELECTROMAGNETIC APPARATUS AND METHOD FOR PROVIDING THE SAME

#111
20170011846
2017-01-12

Magnet core for low-frequency applications and method for producing a magnet core for low-frequency applications

#112
20170011829
2017-01-12

CORE FOR HIGH-FREQUENCY TRANSFORMER, AND MANUFACTURING METHOD THEREFOR

#113
20160217915
2016-07-28

Transformer with ferromagnetic foil windings

#114
20160203902
2016-07-14

Fe-based amorphous transformer magnetic core, production method therefor, and transformer

#115
20160196916
2016-07-07

WOUND TRANSFORMER CORE

#116
20160172095
2016-06-16

Wound core for stationary induction apparatus

#117
20160172087
2016-06-16

Fe-Si-B-C-BASED AMORPHOUS ALLOY RIBBON AND TRANSFORMER CORE FORMED THEREBY

#118
20160168674
2016-06-16

Iron-based amorphous alloy thin strip

#119
20160133367
2016-05-12

METHODS AND SYSTEMS FOR FABRICATING AMORPHOUS RIBBON ASSEMBLY COMPONENTS FOR STACKED TRANSFORMER CORES

#120
20160042856
2016-02-11

Methods for manufacturing integrated magnetic components and LED power supply

#121
20160025421
2016-01-28

Fluid-cooled wound strip structure

#122
20160020020
2016-01-21

Method of manufacturing wound transformer core

#123
20160005525
2016-01-07

INDUCTIVE COMPONENT

#124
20150380148
2015-12-31

METHODS AND SYSTEMS FOR FORMING AMORPHOUS METAL TRANSFORMER CORES

#125
20150364240
2015-12-17

Magnetic circuit for carrying at least one coil

#126
20150364239
2015-12-17

FORMING AMORPHOUS METAL TRANSFORMER CORES

#127
20150332825
2015-11-19

Reactor

#128
20150287513
2015-10-08

Methods and Systems for Forming Amorphous Metal Transformer Cores

#129
20150255203
2015-09-10

MAGNET CORE, IN PARTICULAR FOR A CURRENT TRANSFORMER, AND METHOD FOR PRODUCING SAME

#130
20150243435
2015-08-27

Method and device for producing soft magnetic strip material for strip ring cores

#131
20150213949
2015-07-30

Amorphous core transformer

#132
20150179330
2015-06-25

Reactor device

#133
20150123479
2015-05-07

Power conversion apparatus

#134
20150028977
2015-01-29

Wound iron core for static apparatus, amorphous transformer and coil winding frame for transformer

#135
20150022410
2015-01-22

Antenna magnetic core, antenna using same, and detection system

#136
20140375414
2014-12-25

OPEN TYPE STEREOSCOPIC TRIANGLE AMORPHOUS ALLOY WOUND IRON CORE

#137
20140354386
2014-12-04

Three-phase magnetic cores for magnetic induction devices and methods for manufacturing them

#138
20140266551
2014-09-18

Stack-type inductor element and method of manufacturing the same

#139
20140111297
2014-04-24

Wound transformer core and method of manufacture

#140
20140049351
2014-02-20

High leakage transformers with tape wound cores

#141
20140028428
2014-01-30

Amorphous transformer

#142
20130314196
2013-11-28

Wound Core Scot Transformer

#143
20130257578
2013-10-03

Reconfiguring tape wound cores for inductors

#144
20130214893
2013-08-22

MAGNET CORE FOR LOW-FREQUENCY APPLICATIONS AND METHOD FOR PRODUCING A MAGNET CORE FOR LOW-FREQUENCY APPLCATIONS

#145
20130162381
2013-06-27

Oil immersed stereo wound-core amorphous alloy transformer

#146
20130106555
2013-05-02

Amorphous core transformer

#147
20130106547
2013-05-02

Amorphous core transformer

#148
20120299681
2012-11-29

FLAT BAND WINDING FOR AN INDUCTOR CORE

#149
20120299680
2012-11-29

Multi gap inductor core

#150
20120161915
2012-06-28

Amorphous transformer

#151
20120139682
2012-06-07

Amorphous transformer core

#152
20120127620
2012-05-24

Soft magnetic metal strip for electromechanical components

#153
20120075047
2012-03-29

TRANSFORMER CORE

#154
20120062351
2012-03-15

Ferromagnetic amorphous alloy ribbon with reduced surface protrusions, method of casting and application thereof

#155
20120049992
2012-03-01

Ferromagnetic amorphous alloy ribbon with reduced surface defects and application thereof

#156
20110234360
2011-09-29

Wound iron core for static apparatus, amorphous transformer and coil winding frame for transformer

#157
20110039122
2011-02-17

Method for Producing a Grain-Oriented Magnetic Strip

#158
20110018674
2011-01-27

Apparatus for manufacturing a transformer core

#159
20100320963
2010-12-23

Contact-less power transfer

#160
20100265016
2010-10-21

Magnet core; method for its production and residual current device

#161
20100219791
2010-09-02

Contact-less power transfer

#162
20100175793
2010-07-15

Iron-based high saturation magnetic induction amorphous alloy core having low core and low audible noise

#163
20100164668
2010-07-01

Reactor Core

#164
20100085778
2010-04-08

Inductance element, method for manufacturing the same, and switching power supply using the same

#165
20100066476
2010-03-18

Iron core for stationary apparatus and stationary apparatus

#166
20100058577
2010-03-11

TOROIDAL INDUCTIVE DEVICES AND METHODS OF MAKING THE SAME

#167
20090189565
2009-07-30

Contact-less power transfer

#168
20090079532
2009-03-26

Composite Magnetic Core Construction

#169
20080272876
2008-11-06

Iron core for stationary apparatus and stationary apparatus

#170
20080106364
2008-05-08

Spiral-shaped closed magnetic core and integrated micro-inductor comprising one such closed magnetic core

#171
20080075975
2008-03-27

Magnetic cores for inductors and transformers and method of manufacture

#172
20080068121
2008-03-20

Transformer

#173
20080036565
2008-02-14

Transformer

#174
20070279174
2007-12-06

Toroidal inductive devices and methods of making the same

#175
20070085650
2007-04-19

QQ-type spirakore

#176
20070075820
2007-04-05

Core structure and manufacturing method of inductor

#177
20060250207
2006-11-09

Multiple three-phase inductor with a common core

#178
20060191602
2006-08-31

Iron-based high saturation induction amorphous alloy

#179
20060180248
2006-08-17

Iron-based high saturation induction amorphous alloy

#180
20060125593
2006-06-15

Two part transformer core, transformer and method of manufacture

#181
20060066433
2006-03-30

Bulk amorphous metal inductive device

#182
20050280491
2005-12-22

Transformer

#183
20050237146
2005-10-27

Magnetic core for stationary electromagnetic devices

#184
20050221126
2005-10-06

Magnetic implement using magnetic metal ribbon coated with insulator

#185
20050116683
2005-06-02

Contact-less power transfer

#186
18343787
2023-12-26

Wireless synchronous transmission system of energy and signal based on integrated magnetic circuit coupling structure

#187
15477841
2020-06-16

Integrated magnetic inductors