Inventor · disambiguated record
Takao Sugiura
Also filed as: SUGIURA TAKAO
22 granted patents·8 pending applications·35 citations·filing 1992–2021
91Inventor score
Files withPOWDERTECH CO LTD23SUGIURA TAKAO4KOBAYASHI HIROMICHI1SENJU METAL INDUSTRY CO1TOKAI RUBBER IND LTD1
Top patents by PatentIndex Score
30 records- 0189US10825593B2Ni—Zn—Cu ferrite particle, resin composition, and resin moldingPOWDERTECH CO LTD·Filed 2017·Granted Nov 3, 2020·3 cites·14 claims
- 0284US11014826B2Ferrite particles, resin composition and resin filmPOWDERTECH CO LTD·Filed 2017·Granted May 25, 2021·2 cites·5 claims
- 0381US10564561B2Ferrite 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
- 0471US6210850B1Carrier for electrophotographic developer and electrophotographic developer containing the samePOWDERTECH CO LTD·Filed 2000·Granted Apr 3, 2001·12 cites·8 claims
- 0570US11651881B2Mn—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
- 0668US9557682B2Resin-coated carrier for electrophotographic developer and electrophotographic developer using the resin-coated carrierSUGIURA TAKAO·Filed 2012·Granted Jan 31, 2017·1 cites·12 claims
- 0768US8475988B2Resin-filled ferrite carrier core material for electrophotographic developer, ferrite carrier and electrophotographic developer using the ferrite carrierSUGIURA TAKAO·Filed 2011·Granted Jul 2, 2013·2 cites·12 claims
- 0860US5246994ARubber composition containing a nitrile-conjugated diene copolymerTOKAI RUBBER IND LTD·Filed 1992·Granted Sep 21, 1993·13 cites·19 claims
- 0959US11542174B2Ferrite particles, resin compositions and electromagnetic wave shielding materialPOWDERTECH CO LTD·Filed 2017·Granted Jan 3, 2023·0 cites·5 claims
- 1058US12119151B2Ferrite powder and method of producing the samePOWDERTECH CO LTD·Filed 2021·Granted Oct 15, 2024·0 cites·10 claims
- 1157US9201328B2Core material for resin-filled ferrite carrier and ferrite carrier for electrophotographic developer, and electrophotographic developer using the ferrite carrierPOWDERTECH CO LTD·Filed 2014·Granted Dec 1, 2015·0 cites·9 claims
- 1256US10603614B2Ferrite particles having outer shell structure used for filtering mediumPOWDERTECH CO LTD·Filed 2016·Granted Mar 31, 2020·0 cites·9 claims
- 1356US10258970B2Ferrite particles provided with outer shell structure for catalyst supporting mediumPOWDERTECH CO LTD·Filed 2016·Granted Apr 16, 2019·0 cites·19 claims
- 1454US11150569B2Ferrite carrier core material for electrophotographic developer, carrier for electrophotographic developer, and developerPOWDERTECH CO LTD·Filed 2018·Granted Oct 19, 2021·0 cites·9 claims
- 1550US10585369B2Ferrite particle having outer shell structurePOWDERTECH CO LTD·Filed 2016·Granted Mar 10, 2020·0 cites·12 claims
- 1650US9588453B2Resin-filled ferrite carrier for electrophotographic developer and electrophotographic developer using the ferrite carrierPOWDERTECH CO LTD·Filed 2015·Granted Mar 7, 2017·0 cites·6 claims
- 1749US8168364B2Resin-filled carrier for electrophotographic developer, and electrophotographic developer using the resin-filled carrierSUGIURA TAKAO·Filed 2009·Granted May 1, 2012·0 cites·20 claims
- 1848US8431311B2Resin-filled carrier for electrophotographic developer, and electrophotographic developer using the resin-filled carrierSUGIURA TAKAO·Filed 2008·Granted Apr 30, 2013·0 cites·15 claims
- 1948US2009246526A1Ferrite particles and production method thereofPOWDERTECH CO LTD·Filed 2009·Application pending·0 cites
- 2047US8026033B2Ferrite carrier for electrophotographic developer and electrophotographic developerPOWDERTECH CO LTD·Filed 2008·Granted Sep 27, 2011·0 cites·6 claims
- 2146US8187781B2Resin-filled ferrite carrier for electrophotographic developer, production method thereof and electrophotographic developer using the ferrite carrierKOBAYASHI HIROMICHI·Filed 2008·Granted May 29, 2012·0 cites·17 claims
- 2245US11521768B2Ferrite powder, resin composition, and molded bodyPOWDERTECH CO LTD·Filed 2018·Granted Dec 6, 2022·0 cites·3 claims
- 2345US10775711B2Ferrite 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
- 2445US2015000792A1Flux for Flux-cored Solder, and Flux-cored SolderSENJU METAL INDUSTRY CO·Filed 2013·Application pending·0 cites
- 2542US2009239173A1Resin-filled carrier for electrophotographic developer, and electrophotographic developer using the resin-filled carrierPOWDERTECH CO LTD·Filed 2009·Application pending·0 cites
- 2640US2017369672A1Magnetic fillerPOWDERTECH CO LTD·Filed 2016·Application pending·0 cites
- 2740US2008199800A1Resin-filled ferrite carrier for electrophotographic developer and electrophotographic developer using the ferrite carrierPOWDERTECH CO LTD·Filed 2008·Application pending·0 cites
- 2840US2010055601A1Resin-filled carrier for electrophotographic developer and electrophotographic developer using the resin-filled carrierPOWDERTECH CO LTD·Filed 2009·Application pending·0 cites
- 2938US2007231722A1Ferromagnetic material powder, carrier for electrophotographic developer, process for producing them and electrophotographic developerPOWDERTECH CO LTD·Filed 2007·Application pending·0 cites
- 3030US2010248125A1Resin-filled 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 →