Inventor · disambiguated record
Yoshinori Fujikawa
Also filed as: FUJIKAWA YOSHINORI
36 granted patents·8 pending applications·320 citations·filing 2000–2024
96Inventor score
Top patents by PatentIndex Score
44 records- 0192US6559084B1Dielectric ceramic composition and electronic deviceTDK CORP·Filed 2000·Granted May 6, 2003·47 cites·16 claims
- 0292US6403513B1Dielectric ceramic composition and electronic deviceTDK CORP·Filed 2000·Granted Jun 11, 2002·56 cites·38 claims
- 0391US7528088B2Electronic deviceTDK CORP·Filed 2006·Granted May 5, 2009·18 cites·12 claims
- 0490US6544916B1Manufacture method of dielectric ceramic compositionTDK CORP·Filed 2000·Granted Apr 8, 2003·42 cites·22 claims
- 0587US6548437B2Dielectric ceramics and electronic componentTDK CORP·Filed 2001·Granted Apr 15, 2003·47 cites·14 claims
- 0687US6335302B1Dielectric composition and ceramic capacitor using the sameTDK CORP·Filed 2000·Granted Jan 1, 2002·32 cites·13 claims
- 0786US6699809B2Dielectric ceramic composition and electronic deviceTDK CORP·Filed 2003·Granted Mar 2, 2004·35 cites·12 claims
- 0884US10242777B2Alloy for R-T-B based sintered magnet and R-T-B based sintered magnetTDK CORP·Filed 2017·Granted Mar 26, 2019·1 cites·1 claims
- 0983US10734143B2R-T-B based sintered magnetTDK CORP·Filed 2018·Granted Aug 4, 2020·2 cites·11 claims
- 1083US7919007B2Ferrite magnetic materialTDK CORP·Filed 2006·Granted Apr 5, 2011·8 cites·15 claims
- 1176US10096412B2Rare earth based magnetTDK CORP·Filed 2014·Granted Oct 9, 2018·3 cites·14 claims
- 1273US9548148B2R-T-B based sintered magnetTDK CORP·Filed 2012·Granted Jan 17, 2017·1 cites·11 claims
- 1373US8981888B2Magnetic bodySUZUKI KENICHI·Filed 2011·Granted Mar 17, 2015·1 cites·6 claims
- 1473US7311788B2R-T-B system rare earth permanent magnetTDK CORP·Filed 2003·Granted Dec 25, 2007·8 cites·6 claims
- 1572US10083783B2Rare earth based magnetTDK CORP·Filed 2014·Granted Sep 25, 2018·2 cites·5 claims
- 1671US10546672B2Rare earth based magnetTDK CORP·Filed 2014·Granted Jan 28, 2020·2 cites·4 claims
- 1768US8715854B2Active material with a surface-modified layer covering a metal oxide core and an electrode and battery comprising the sameSUZUKI HISASHI·Filed 2007·Granted May 6, 2014·1 cites·11 claims
- 1868US2019074114A1Alloy for r-t-b based sintered magnet and r-t-b based sintered magnetTDK CORP·Filed 2018·Application pending·0 cites
- 1966US10991493B2Rare earth magnetTDK CORP·Filed 2016·Granted Apr 27, 2021·0 cites·11 claims
- 2066US10984929B2Rare earth magnetTDK CORP·Filed 2016·Granted Apr 20, 2021·0 cites·9 claims
- 2166US10726980B2Rare earth magnetTDK CORP·Filed 2016·Granted Jul 28, 2020·0 cites·5 claims
- 2264US7314531B2R-T-B system rare earth permanent magnetTDK CORP·Filed 2004·Granted Jan 1, 2008·8 cites·8 claims
- 2363US2024331899A1R-t-b based permanent magnetTDK CORP·Filed 2024·Application pending·0 cites
- 2461US12412687B2Rare-earth-based magnet powder, bonded magnet, bonded magnet compound, sintered magnet, method of manufacturing rare-earth-based magnet powder, and method of manufacturing rare-earth based permanent magnetTDK CORP·Filed 2022·Granted Sep 9, 2025·0 cites·6 claims
- 2560US11361888B2Samarium-iron-nitrogen magnet powder and method for manufacturing sameOKADA SHUSUKE·Filed 2018·Granted Jun 14, 2022·0 cites·5 claims
- 2660US10748686B2R-T-B based sintered magnetTDK CORP·Filed 2018·Granted Aug 18, 2020·0 cites·11 claims
- 2759US10453595B2Rare earth permanent magnetTDK CORP·Filed 2017·Granted Oct 22, 2019·0 cites·5 claims
- 2859US7744954B2Method of producing a powder, powder, and multilayered ceramic capacitor using the sameTDK CORP·Filed 2006·Granted Jun 29, 2010·3 cites·7 claims
- 2958US11152142B2R-T-B based permanent magnetTDK CORP·Filed 2019·Granted Oct 19, 2021·0 cites·16 claims
- 3058US2022199301A1R-t-b based permanent magnetTDK CORP·Filed 2021·Application pending·0 cites
- 3157US10090087B2Rare earth based magnetTDK CORP·Filed 2014·Granted Oct 2, 2018·0 cites·11 claims
- 3256US11657934B2R-T-B based permanent magnetTDK CORP·Filed 2019·Granted May 23, 2023·0 cites·12 claims
- 3356US6407024B1Dielectric composition and ceramic capacitor made from the sameTDK CORP·Filed 2001·Granted Jun 18, 2002·3 cites·25 claims
- 3455US10109402B2Rare earth based magnetTDK CORP·Filed 2014·Granted Oct 23, 2018·0 cites·2 claims
- 3554US10256016B2Rare earth based magnetTDK CORP·Filed 2014·Granted Apr 9, 2019·0 cites·10 claims
- 3653US10748685B2R-T-B based sintered magnetTDK CORP·Filed 2018·Granted Aug 18, 2020·0 cites·4 claims
- 3751US10020099B2Rare earth based magnetTDK CORP·Filed 2014·Granted Jul 10, 2018·0 cites·5 claims
- 3851US2022148772A1R-t-b based permanent magnet and method for manufacturing sameTDK CORP·Filed 2020·Application pending·0 cites
- 3951US2023025223A1R-t-b based permanent magnetTDK CORP·Filed 2020·Application pending·0 cites
- 4050US9548149B2Rare earth based magnetTDK CORP·Filed 2014·Granted Jan 17, 2017·0 cites·10 claims
- 4150US2009264276A1Production method of dielectric particlesTDK CORP·Filed 2009·Application pending·0 cites
- 4250US2008220964A1Ceramic material powder, method of production thereof, dielectric ceramic composition, electronic device, and multilayer ceramic capacitorTDK CORP·Filed 2008·Application pending·0 cites
- 4344US9548157B2Sintered magnet, motor, automobile, and method for producing sintered magnetIWASAKI MAKOTO·Filed 2011·Granted Jan 17, 2017·0 cites·26 claims
- 4444US2005260410A1Ceramic material powder, method of production thereof, dielectric ceramic composition, electronic device, and multilayer ceramic capacitorTDK CORP·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →