Assignee
SUMIDA CORP
JP·204 granted patents·58 pending applications·928 citations·filing 1999–2025
Top patents by PatentIndex Score
262 records- 0197US7449984B2Magnetic element and method of manufacturing magnetic elementSUMIDA CORP·Filed 2006·Granted Nov 11, 2008·44 cites·9 claims
- 0297US7280025B2Magnetic elementSUMIDA CORP·Filed 2005·Granted Oct 9, 2007·90 cites·4 claims
- 0396US9818534B2Electronic component having air-core coilSUMIDA CORP·Filed 2015·Granted Nov 14, 2017·6 cites·5 claims
- 0495US10777352B2Method for manufacturing electronic component with coilSUMIDA CORP·Filed 2019·Granted Sep 15, 2020·3 cites·12 claims
- 0595US9536653B2Coil component, powder-compacted inductor and winding method for coil componentSUMIDA CORP·Filed 2014·Granted Jan 3, 2017·16 cites·8 claims
- 0695US9087634B2Method for manufacturing electronic component with coilSUMIDA CORP·Filed 2013·Granted Jul 21, 2015·10 cites·28 claims
- 0795US7859377B2Coil componentSUMIDA CORP·Filed 2008·Granted Dec 28, 2010·35 cites·20 claims
- 0895US7523542B2Method of manufacturing a magnetic elementSUMIDA CORP·Filed 2006·Granted Apr 28, 2009·26 cites·6 claims
- 0992US10446313B2Electronic componentSUMIDA CORP·Filed 2017·Granted Oct 15, 2019·5 cites·19 claims
- 1092US2026092993A1Magnetic field measurement apparatus and magnetic field measurement methodSUMIDA CORP·Filed 2025·Application pending·0 cites
- 1191US10438737B2Electronic component and method for manufacturing electronic componentSUMIDA CORP·Filed 2016·Granted Oct 8, 2019·4 cites·4 claims
- 1291US7612640B2Magnetic elementSUMIDA CORP·Filed 2007·Granted Nov 3, 2009·19 cites·7 claims
- 1390US11933865B2Magnetic field measurement apparatus and magnetic field measurement methodSUMIDA CORP·Filed 2021·Granted Mar 19, 2024·3 cites·7 claims
- 1490US10969445B2Magnetic field measurement apparatus and magnetic field measurement methodSUMIDA CORP·Filed 2019·Granted Apr 6, 2021·4 cites·4 claims
- 1590US10786932B2Manufacturing method of coil component and coil componentSUMIDA CORP·Filed 2015·Granted Sep 29, 2020·3 cites·16 claims
- 1690US10032558B2Manufacturing method of coil component and mold apparatus for manufacturing the coil componentSUMIDA CORP·Filed 2016·Granted Jul 24, 2018·4 cites·6 claims
- 1790US9887033B2Magnetic element and manufacturing method of the magnetic elementSUMIDA CORP·Filed 2016·Granted Feb 6, 2018·3 cites·11 claims
- 1889US9805856B2Coil component and method of manufacturing coil componentSUMIDA CORP·Filed 2015·Granted Oct 31, 2017·4 cites·7 claims
- 1989US7183889B2High-voltage transformerSUMIDA CORP·Filed 2005·Granted Feb 27, 2007·18 cites·6 claims
- 2088US9768510B2Antenna device and manufacturing method of antenna deviceSUMIDA CORP·Filed 2015·Granted Sep 19, 2017·7 cites·15 claims
- 2188US2023253151A1Method For Manufacturing Electronic Component With CoilSUMIDA CORP·Filed 2023·Application pending·0 cites
- 2287US11289262B2Electronic componentSUMIDA CORP·Filed 2019·Granted Mar 29, 2022·2 cites·7 claims
- 2387US7940153B2Inductance elementSUMIDA CORP·Filed 2008·Granted May 10, 2011·14 cites·8 claims
- 2487US7392581B2Method for manufacturing a magnetic elementSUMIDA CORP·Filed 2007·Granted Jul 1, 2008·13 cites·1 claims
- 2587US7327212B2Plate member, magnetic element using the same, and magnetic element manufacturing methodSUMIDA CORP·Filed 2005·Granted Feb 5, 2008·13 cites·10 claims
- 2686US10121587B2Manufacturing method of magnetic elementSUMIDA CORP·Filed 2016·Granted Nov 6, 2018·2 cites·5 claims
- 2786US7463130B2Inductance elementSUMIDA CORP·Filed 2006·Granted Dec 9, 2008·16 cites·7 claims
- 2885USD920911SCoil componentSUMIDA CORP·Filed 2019·Granted Jun 1, 2021·17 cites·1 claims
- 2985US10996407B2Excitation light irradiation device and excitation light irradiation methodSUMIDA CORP·Filed 2019·Granted May 4, 2021·2 cites·16 claims
- 3085US10186774B2Antenna device and method for manufacturing antenna deviceSUMIDA CORP·Filed 2017·Granted Jan 22, 2019·4 cites·20 claims
- 3185US10153076B2Coil component and method for producing the sameSUMIDA CORP·Filed 2017·Granted Dec 11, 2018·2 cites·14 claims
- 3285US8922317B2Coil componentSUMIDA CORP·Filed 2012·Granted Dec 30, 2014·6 cites·7 claims
- 3385US7183886B2Inductance deviceSUMIDA CORP·Filed 2005·Granted Feb 27, 2007·19 cites·12 claims
- 3484US11610727B2Coil component and coil deviceSUMIDA CORP·Filed 2019·Granted Mar 21, 2023·2 cites·7 claims
- 3584US11543467B2Magnetic field source detecting apparatus and magnetic field source detecting methodSUMIDA CORP·Filed 2021·Granted Jan 3, 2023·1 cites·8 claims
- 3684US10141649B2Antenna device and manufacturing method of antenna deviceSUMIDA CORP·Filed 2016·Granted Nov 27, 2018·5 cites·19 claims
- 3784US7768374B2Inverter transformer and discharge tube drive circuit using the sameSUMIDA CORP·Filed 2007·Granted Aug 3, 2010·12 cites·12 claims
- 3883US11808831B2Measurement apparatus and measurement methodSUMIDA CORP·Filed 2020·Granted Nov 7, 2023·2 cites·3 claims
- 3983US2024428977A1Coil ComponentSUMIDA CORP·Filed 2024·Application pending·0 cites
- 4083US2025377383A1Current sensor circuitSUMIDA CORP·Filed 2025·Application pending·0 cites
- 4182US10617006B2Small electronic component, electronic circuit board, and method of manufacturing small electronic componentSUMIDA CORP·Filed 2016·Granted Apr 7, 2020·2 cites·11 claims
- 4282US9768509B2Antenna coil component, antenna unit, and method of manufacturing the antenna coil componentSUMIDA CORP·Filed 2014·Granted Sep 19, 2017·7 cites·10 claims
- 4382US7728708B2Transformer apparatus, inverter transformer, and drive circuitSUMIDA CORP·Filed 2007·Granted Jun 1, 2010·9 cites·7 claims
- 4482US7446641B2Balance transformerSUMIDA CORP·Filed 2007·Granted Nov 4, 2008·11 cites·9 claims
- 4582US7291992B2Load failure protection circuit and discharge lamp driving apparatusSUMIDA CORP·Filed 2006·Granted Nov 6, 2007·9 cites·10 claims
- 4681US11257618B2Transformer and method for manufacturing transformerSUMIDA CORP·Filed 2018·Granted Feb 22, 2022·1 cites·7 claims
- 4781US9407009B2Antenna coil deviceSUMIDA CORP·Filed 2014·Granted Aug 2, 2016·7 cites·9 claims
- 4881US6650218B1Inverter transformerSUMIDA CORP·Filed 2002·Granted Nov 18, 2003·21 cites·9 claims
- 4980US12248049B2High-frequency magnetic field generating deviceSUMIDA CORP·Filed 2023·Granted Mar 11, 2025·0 cites·5 claims
- 5080US9887036B2Coil end connecting structureSUMIDA CORP·Filed 2016·Granted Feb 6, 2018·2 cites·6 claims
Showing the top 50 of 262 patent records by PatentIndex Score.
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