Inventor · disambiguated record
Takao Mizushima
Also filed as: MIZUSHIMA TAKAO
21 granted patents·2 pending applications·406 citations·filing 1996–2018
96Inventor score
Files withALPS ELECTRIC CO LTD15ALPS ALPINE CO LTD2MIZUSHIMA TAKAO2TSUCHIYA KEIKO2ALP ELECTRIC CO LTD1
Top patents by PatentIndex Score
23 records- 0194US7132019B2Amorphous soft magnetic alloy powder, and dust core and wave absorber using the sameALPS ELECTRIC CO LTD·Filed 2005·Granted Nov 7, 2006·38 cites·8 claims
- 0290US8685179B2Fe-based amorphous alloy, powder core using the same, and coil encapsulated powder coreTSUCHIYA KEIKO·Filed 2011·Granted Apr 1, 2014·8 cites·17 claims
- 0388US10283266B2Powder core, manufacturing method of powder core, inductor including powder core, and electronic/electric device having inductor mounted thereinALPS ELECTRIC CO LTD·Filed 2017·Granted May 7, 2019·3 cites·13 claims
- 0488US6897718B2Low-loss magnetic powder core, and switching power supply, active filter, filter, and amplifying device using the sameALPS ELECTRIC CO LTD·Filed 2003·Granted May 24, 2005·54 cites·1 claims
- 0585US6183889B1Magneto-impedance element, and magnetic head, thin film magnetic head, azimuth sensor and autocanceler using the sameALPS ELECTRIC CO LTD·Filed 1998·Granted Feb 6, 2001·69 cites·70 claims
- 0683US6750723B2Low-loss magnetic powder core, and switching power supply, active filter, filter, and amplifying device using the sameALPS ELECTRIC CO LTD·Filed 2003·Granted Jun 15, 2004·37 cites·5 claims
- 0782US8282745B2Fe-based soft magnetic alloy and dust core using fe-based soft magnetic alloyTSUCHIYA KEIKO·Filed 2011·Granted Oct 9, 2012·6 cites·14 claims
- 0881US7277001B2Coil-embedded dust coreALPS ELECTRIC CO LTD·Filed 2005·Granted Oct 2, 2007·15 cites·4 claims
- 0980US6594157B2Low-loss magnetic powder core, and switching power supply, active filter, filter, and amplifying device using the sameALPS ELECTRIC CO LTD·Filed 2001·Granted Jul 15, 2003·34 cites·2 claims
- 1079US5961745AFe Based soft magnetic glassy alloyALPS ELECTRIC CO LTD·Filed 1997·Granted Oct 5, 1999·37 cites·1 claims
- 1173US6077367AMethod of production glassy alloyALPS ELECTRIC CO LTD·Filed 1998·Granted Jun 20, 2000·26 cites·7 claims
- 1272US9831790B2DC-to-DC converterALPS ELECTRIC CO LTD·Filed 2015·Granted Nov 28, 2017·2 cites·7 claims
- 1369US5755986ASoft-magnetic dielectric high-frequency composite material and method for making the sameALPS ELECTRIC CO LTD·Filed 1996·Granted May 26, 1998·25 cites·9 claims
- 1461US6086651ASinter and casting comprising Fe-based high-hardness glassy alloyALP ELECTRIC CO LTD·Filed 1998·Granted Jul 11, 2000·22 cites·12 claims
- 1558US11574764B2Dust core, method for manufacturing dust core, electric/electronic component including dust core, and electric/electronic device equipped with electric/electronic componentALPS ALPINE CO LTD·Filed 2017·Granted Feb 7, 2023·0 cites·20 claims
- 1655US9422614B2Fe-based amorphous alloy, powder core using the same, and coil encapsulated powder coreALPS GREEN DEVICES CO LTD·Filed 2013·Granted Aug 23, 2016·0 cites·19 claims
- 1754US10950374B2Fe-based alloy composition, soft magnetic material, magnetic members, electric/electronic component, and deviceALPS ALPINE CO LTD·Filed 2018·Granted Mar 16, 2021·0 cites·14 claims
- 1847US6227985B1Sinter and casting comprising Fe-based high-hardness glassy alloyALPS ELECTRIC CO LTD·Filed 1999·Granted May 8, 2001·12 cites·4 claims
- 1947US6001193AHard magnetic alloy compact and method of producing the sameALPS ELECTRIC CO LTD·Filed 1997·Granted Dec 14, 1999·9 cites·27 claims
- 2044US2009017279A1Electromagnetic wave suppressing sheetMIZUSHIMA TAKAO·Filed 2008·Application pending·0 cites
- 2142US2008143625A1Antenna sheet and manufacturing method thereforMIZUSHIMA TAKAO·Filed 2007·Application pending·0 cites
- 2235US6296681B1Sinter and casting comprising Fe-based high-hardness glassy alloyALPS ELECTRIC CO LTD·Filed 1999·Granted Oct 2, 2001·5 cites·12 claims
- 2333US6287514B1Sinter and casting comprising Fe-based high-hardness glassy alloyALPS ELECTRIC CO LTD·Filed 1999·Granted Sep 11, 2001·4 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →