Assignee
SUMIDA CORP
JP204 patents
Top patents by PatentIndex Score
US7280025B2Oct 9, 2007
Magnetic element
SUMIDA CORP90 citations97
US7449984B2Nov 11, 2008
Magnetic element and method of manufacturing magnetic element
SUMIDA CORP44 citations96
USD920911SJun 1, 2021
Coil component
SUMIDA CORP17 citations93
USD779429SFeb 21, 2017
Magnetic component
SUMIDA CORP17 citations93
US9087634B2Jul 21, 2015
Method for manufacturing electronic component with coil
SUMIDA CORP10 citations92
US7859377B2Dec 28, 2010
Coil component
SUMIDA CORP35 citations92
US7612640B2Nov 3, 2009
Magnetic element
SUMIDA CORP19 citations92
US7523542B2Apr 28, 2009
Method of manufacturing a magnetic element
SUMIDA CORP26 citations92
US6650218B1Nov 18, 2003
Inverter transformer
SUMIDA CORP21 citations92
US7183886B2Feb 27, 2007
Inductance device
SUMIDA CORP19 citations86
USD995430SAug 15, 2023
Coil component
SUMIDA CORP5 citations85
USD995431SAug 15, 2023
Coil component
SUMIDA CORP4 citations85
USD830972SOct 16, 2018
Magnetic component
SUMIDA CORP15 citations85
USD778837SFeb 14, 2017
Magnetic component
SUMIDA CORP7 citations84
US7940153B2May 10, 2011
Inductance element
SUMIDA CORP14 citations84
US7728708B2Jun 1, 2010
Transformer apparatus, inverter transformer, and drive circuit
SUMIDA CORP9 citations84
US7392581B2Jul 1, 2008
Method for manufacturing a magnetic element
SUMIDA CORP13 citations84
US7368908B2May 6, 2008
Magnetic element
SUMIDA CORP9 citations84
US7327212B2Feb 5, 2008
Plate member, magnetic element using the same, and magnetic element manufacturing method
SUMIDA CORP13 citations84
US6249202B1Jun 19, 2001
Inductance element
SUMIDA CORP15 citations84
USD921587SJun 8, 2021
Core
SUMIDA CORP7 citations83
US10777352B2Sep 15, 2020
Method for manufacturing electronic component with coil
SUMIDA CORP3 citations83
US9818534B2Nov 14, 2017
Electronic component having air-core coil
SUMIDA CORP6 citations83
US9536653B2Jan 3, 2017
Coil component, powder-compacted inductor and winding method for coil component
SUMIDA CORP16 citations83
US7821369B2Oct 26, 2010
Magnetic element
SUMIDA CORP8 citations83
US7768374B2Aug 3, 2010
Inverter transformer and discharge tube drive circuit using the same
SUMIDA CORP12 citations83
US7446641B2Nov 4, 2008
Balance transformer
SUMIDA CORP11 citations83
US7427963B2Sep 23, 2008
Antenna coil and antenna device
SUMIDA CORP18 citations83
US7411477B2Aug 12, 2008
Inductor
SUMIDA CORP9 citations83
US7183889B2Feb 27, 2007
High-voltage transformer
SUMIDA CORP18 citations83
US7116204B2Oct 3, 2006
Leakage transformer
SUMIDA CORP13 citations83
US6919693B2Jul 19, 2005
High-voltage transformer and discharge lamp driving apparatus
SUMIDA CORP18 citations83
US10438737B2Oct 8, 2019
Electronic component and method for manufacturing electronic component
SUMIDA CORP4 citations82
US9768510B2Sep 19, 2017
Antenna device and manufacturing method of antenna device
SUMIDA CORP7 citations82
US7463130B2Dec 9, 2008
Inductance element
SUMIDA CORP16 citations82
US7071803B2Jul 4, 2006
Micro surface mount coil unit
SUMIDA CORP18 citations82
USD923574SJun 29, 2021
Coil component
SUMIDA CORP8 citations81
US9768509B2Sep 19, 2017
Antenna coil component, antenna unit, and method of manufacturing the antenna coil component
SUMIDA CORP7 citations81
US9407009B2Aug 2, 2016
Antenna coil device
SUMIDA CORP7 citations81
US7345566B2Mar 18, 2008
Magnetic element
SUMIDA CORP9 citations80
US7161308B2Jan 9, 2007
High-voltage discharge lamp operating device
SUMIDA CORP13 citations80
US7443278B2Oct 28, 2008
Coil device, composite coil device, and transformer device
SUMIDA CORP12 citations79
US7397338B2Jul 8, 2008
Inductor
SUMIDA CORP10 citations79
USD806651SJan 2, 2018
Magnetic component
SUMIDA CORP9 citations76
US7443277B2Oct 28, 2008
Coil component
SUMIDA CORP7 citations74
US7291992B2Nov 6, 2007
Load failure protection circuit and discharge lamp driving apparatus
SUMIDA CORP9 citations74
US11610727B2Mar 21, 2023
Coil component and coil device
SUMIDA CORP2 citations73
US10186774B2Jan 22, 2019
Antenna device and method for manufacturing antenna device
SUMIDA CORP4 citations73
US10153076B2Dec 11, 2018
Coil component and method for producing the same
SUMIDA CORP2 citations73
US10121587B2Nov 6, 2018
Manufacturing method of magnetic element
SUMIDA CORP2 citations73
Showing the top 50 of 204 patents by PatentIndex Score.