Inventor · disambiguated record
Koji Aga
Also filed as: AGA KOJI
33 granted patents·15 pending applications·34 citations·filing 2002–2023
94Inventor score
Top patents by PatentIndex Score
48 records- 0190US11359689B2Iron oxide powder for brake friction materialPOWDERTECH CO LTD·Filed 2017·Granted Jun 14, 2022·2 cites·5 claims
- 0289US10825593B2Ni—Zn—Cu ferrite particle, resin composition, and resin moldingPOWDERTECH CO LTD·Filed 2017·Granted Nov 3, 2020·3 cites·14 claims
- 0389US8465898B2Ferrite carrier core material and ferrite carrier for electrophotographic developer, and electrophotographic developer using the ferrite carrierIWATA TORU·Filed 2011·Granted Jun 18, 2013·6 cites·10 claims
- 0486US9372426B2Ferrite particle having outer shell structure, ferrite carrier core material for electrophotographic developer, and electrophotographic developerPOWDERTECH CO LTD·Filed 2015·Granted Jun 21, 2016·2 cites·8 claims
- 0584US11014826B2Ferrite particles, resin composition and resin filmPOWDERTECH CO LTD·Filed 2017·Granted May 25, 2021·2 cites·5 claims
- 0683US10593454B2Spherical ferrite particles in nano-size and method of manufacturing samePOWDERTECH CO LTD·Filed 2015·Granted Mar 17, 2020·2 cites·6 claims
- 0781US11572926B2Iron oxide powder for brake friction materialPOWDERTECH CO LTD·Filed 2022·Granted Feb 7, 2023·0 cites·6 claims
- 0881US10564561B2Ferrite carrier core material for electrophotographic developer, ferrite carrier for electrophotographic developer, electrophotographic developer, and method for manufacturing ferrite carrier core material for electrophotographic developerPOWDERTECH CO LTD·Filed 2017·Granted Feb 18, 2020·2 cites·12 claims
- 0978US7880483B2Method for inspecting quality of core material for electrophotographic ferrite carrierPOWDERTECH CO LTD·Filed 2008·Granted Feb 1, 2011·5 cites·6 claims
- 1073US7862975B2Carrier core material for an electrophotographic developer, carrier, and electrophotographic developer using the carrierMITSUI MINING & SMELTING CO·Filed 2009·Granted Jan 4, 2011·4 cites·9 claims
- 1172US8535867B2Ferrite core material and ferrite carrier for electrophotographic developer, and electrophotographic developer using the ferrite carrierSUWA TOMOYUKI·Filed 2011·Granted Sep 17, 2013·2 cites·10 claims
- 1271US12134567B2Ferrite powder and method for producing samePOWDERTECH CO LTD·Filed 2021·Granted Nov 5, 2024·0 cites·8 claims
- 1370US11651881B2Mn—Zn ferrite particles, resin molded body, soft magnetic mixed powder, and magnetic corePOWDERTECH CO LTD·Filed 2018·Granted May 16, 2023·0 cites·6 claims
- 1468US8728699B2Porous ferrite core material for electrophotographic developer, resin-filled ferrite carrier and electrophotographic developer using the ferrite carrierIWATA TORU·Filed 2010·Granted May 20, 2014·1 cites·12 claims
- 1566US7914715B2Granulating method, granulated particle(s) and granulating devicePOWDERTECH CO LTD·Filed 2007·Granted Mar 29, 2011·1 cites·11 claims
- 1666US2024182323A1Ferrite powder, ferrite resin composite material, and electromagnetic shielding material, electronic material, or electronic componentPOWDERTECH CO LTD·Filed 2022·Application pending·0 cites
- 1765US11952286B2Mn ferrite powder, resin composition, electromagnetic wave shielding material, electronic material, and electronic componentPOWDERTECH CO LTD·Filed 2019·Granted Apr 9, 2024·0 cites·8 claims
- 1865US7879522B2Carrier core material for electrophotographic developer, carrier and electrophotographic developer using the carrierPOWDERTECH CO LTD·Filed 2009·Granted Feb 1, 2011·2 cites·19 claims
- 1962US2025218631A1Magnetic compositePOWDERTECH CO LTD·Filed 2023·Application pending·0 cites
- 2061US11072537B2Ferrite powder, resin composition, and molded articlePOWDERTECH CO LTD·Filed 2017·Granted Jul 27, 2021·0 cites·12 claims
- 2161US10919779B2Iron oxide powder for brake friction materialPOWDERTECH CO LTD·Filed 2017·Granted Feb 16, 2021·0 cites·5 claims
- 2259US11542174B2Ferrite particles, resin compositions and electromagnetic wave shielding materialPOWDERTECH CO LTD·Filed 2017·Granted Jan 3, 2023·0 cites·5 claims
- 2358US12119151B2Ferrite powder and method of producing the samePOWDERTECH CO LTD·Filed 2021·Granted Oct 15, 2024·0 cites·10 claims
- 2456US10603614B2Ferrite particles having outer shell structure used for filtering mediumPOWDERTECH CO LTD·Filed 2016·Granted Mar 31, 2020·0 cites·9 claims
- 2556US10258970B2Ferrite particles provided with outer shell structure for catalyst supporting mediumPOWDERTECH CO LTD·Filed 2016·Granted Apr 16, 2019·0 cites·19 claims
- 2656US2024128001A1Magnetic compositePOWDERTECH CO LTD·Filed 2022·Application pending·0 cites
- 2756US2024079172A1Magnetic compositePOWDERTECH CO LTD·Filed 2022·Application pending·0 cites
- 2855US9201329B2Porous ferrite core material for electrophotographic developer, resin-coated ferrite carrier and electrophotographic developer using the ferrite carrierPOWDERTECH CO LTD·Filed 2013·Granted Dec 1, 2015·0 cites·8 claims
- 2954US11032955B2Ferrite powder, resin composition, electromagnetic shielding material, electronic circuit substrate, electronic circuit component, and electronic device housingPOWDERTECH CO LTD·Filed 2017·Granted Jun 8, 2021·0 cites·14 claims
- 3050US10585369B2Ferrite particle having outer shell structurePOWDERTECH CO LTD·Filed 2016·Granted Mar 10, 2020·0 cites·12 claims
- 3149US8895218B2Carrier core material and carrier for electrophotographic developer and process for producing the same, and electrophotographic developer using the carrierKOJIMA TAKASHI·Filed 2010·Granted Nov 25, 2014·0 cites·15 claims
- 3248US10501333B2Spherical ferrite powder, resin compound including spherical ferrite powder, and molded product made of resin compoundPOWDERTECH CO LTD·Filed 2015·Granted Dec 10, 2019·0 cites·6 claims
- 3348US2016044838A1Composite magnetic powder for noise suppressionPOWDERTECH CO LTD·Filed 2014·Application pending·0 cites
- 3447US8039190B2Carrier core material for electrophotographic developer, carrier, and electrophotographic developer using the carrierMITSUI MINING & SMELTING CO·Filed 2009·Granted Oct 18, 2011·0 cites·8 claims
- 3547US2010111816A1Inorganic particle-containing emulsion and manufacturing method of a particle by using the inorganic particle-containing emulsionPOWDERTECH CO LTD·Filed 2008·Application pending·0 cites
- 3646US2019040226A1Ferrite powder, resin composition, and molded articlePOWDERTECH CO LTD·Filed 2017·Application pending·0 cites
- 3745US11521768B2Ferrite powder, resin composition, and molded bodyPOWDERTECH CO LTD·Filed 2018·Granted Dec 6, 2022·0 cites·3 claims
- 3845US10775711B2Ferrite carrier core material for electrophotographic developer, ferrite carrier for electrophotographic developer, electrophotographic developer, and method for manufacturing ferrite carrier core material for electrophotographic developerPOWDERTECH CO LTD·Filed 2017·Granted Sep 15, 2020·0 cites·12 claims
- 3945US2021168974A1Composite particles, powder, resin composition and moulded bodyPOWDERTECH CO LTD·Filed 2018·Application pending·0 cites
- 4044US7288241B2Black composite oxide particle and method for production thereofMITSUI MINING & SMELTING CO·Filed 2002·Granted Oct 30, 2007·0 cites·20 claims
- 4142US9081318B2Ferrite carrier core material and ferrite carrier for electrophotographic developer, methods for manufacturing these, and electrographic developer using the ferrite carrierSUWA TOMOYUKI·Filed 2011·Granted Jul 14, 2015·0 cites·12 claims
- 4241US2011013948A1Core material of carrier for electrophotographic developer and method for manufacturing the core material, carrier and method for manufacturing the carrier, and electrophotographic developer using the carrierPOWDERTECH CO LTD·Filed 2009·Application pending·0 cites
- 4340US2017369672A1Magnetic fillerPOWDERTECH CO LTD·Filed 2016·Application pending·0 cites
- 4439US2009246670A1Carrier particles for forming wiring circuit pattern and developerPOWDERTECH CO LTD·Filed 2009·Application pending·0 cites
- 4538US2018009677A1Hexagonal plate shaped ferrite powder, manufacturing method thereof, and resin compound and molded product using the ferrite powderPOWDERTECH CO LTD·Filed 2016·Application pending·0 cites
- 4638US2007141502A1Ferrite carrier core material for electrophotography, ferrite carrier for electrophotography and methods for producing them, and electrophotographic developer using the ferrite carrierPOWDERTECH CO LTD·Filed 2006·Application pending·0 cites
- 4737US2017349449A1Plate shaped ferrite particles having metallic luster for pigmentPOWDERTECH CO LTD·Filed 2016·Application pending·0 cites
- 4837US2011183253A1Core material of ferrite carrier and ferrite carrier for electrophotographic developer, and electrophotographic developer using the ferrite carrierPOWDERTECH CO LTD·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →