Inventor · disambiguated record
Hiroki Sawamoto
Also filed as: SAWAMOTO HIROKI
16 granted patents·5 pending applications·26 citations·filing 2005–2022
87Inventor score
Files withPOWDERTECH CO LTD15MITSUI MINING & SMELTING CO2MITSUI MINING & SMELTING CO LTD2KAMIKORIYAMA YOICHI1MITSUI MINNING & SMELTING CO LTD1
Top patents by PatentIndex Score
21 records- 0185US8043535B2Conductive inkMITSUI MINING & SMELTING CO·Filed 2005·Granted Oct 25, 2011·17 cites·1 claims
- 0284US10754271B2Magnetic core material for electrophotographic developer, carrier for electrophotographic developer, and developerPOWDERTECH CO LTD·Filed 2017·Granted Aug 25, 2020·2 cites·6 claims
- 0375US11029618B2Carrier, electrophotographic developer and production method of carrierPOWDERTECH CO LTD·Filed 2018·Granted Jun 8, 2021·1 cites·17 claims
- 0460US11099495B2Magnetic core material for electrophotographic developer, carrier for electrophotographic developer, developer, method for producing magnetic core material for electrophotographic developer, method for producing carrier for electrophotographic developer, and method for producing developerPOWDERTECH CO LTD·Filed 2018·Granted Aug 24, 2021·0 cites·12 claims
- 0560US10996576B2Magnetic core material for electrophotographic developer, carrier for electrophotographic developer, and developerPOWDERTECH CO LTD·Filed 2017·Granted May 4, 2021·0 cites·5 claims
- 0660US10969706B2Magnetic core material for electrophotographic developer, carrier for electrophotographic developer, and developerPOWDERTECH CO LTD·Filed 2018·Granted Apr 6, 2021·0 cites·12 claims
- 0760US8486306B2Nickel ink and conductor film formed of nickel inkKAMIKORIYAMA YOICHI·Filed 2006·Granted Jul 16, 2013·4 cites·15 claims
- 0860US2024222610A1Hydrogen storage alloyMITSUI MINING & SMELTING CO LTD·Filed 2022·Application pending·0 cites
- 0958US10996579B2Magnetic core material for electrophotographic developer, carrier for electrophotographic developer, and developerPOWDERTECH CO LTD·Filed 2018·Granted May 4, 2021·0 cites·7 claims
- 1057US9201328B2Core 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
- 1157US8012378B2Nickel inkMITSUI MINNING & SMELTING CO LTD·Filed 2007·Granted Sep 6, 2011·2 cites·9 claims
- 1255US10248039B2Carrier, electrophotographic developer, and method of manufacturing carrierPOWDERTECH CO LTD·Filed 2017·Granted Apr 2, 2019·0 cites·8 claims
- 1353US11422480B2Ferrite carrier core material for electrophotographic developer, ferrite carrier, manufacturing method thereof, and electrophotographic developer using said ferritePOWDERTECH CO LTD·Filed 2018·Granted Aug 23, 2022·0 cites·16 claims
- 1453US2023125587A1Zinc foil, battery negative electrode active material using same, and zinc foil production methodMITSUI MINING & SMELTING CO LTD·Filed 2021·Application pending·0 cites
- 1550US9588453B2Resin-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
- 1649US11112716B2Carrier core material for electrophotographic developer and method for producing the same, and carrier for electrophotographic developer and developer containing said carrier core materialPOWDERTECH CO LTD·Filed 2020·Granted Sep 7, 2021·0 cites·21 claims
- 1746US12204280B2Carrier, xerographic developer, and carrier production methodPOWDERTECH CO LTD·Filed 2020·Granted Jan 21, 2025·0 cites·5 claims
- 1846US10036982B2Carrier and electrophotographic developer using the carrierPOWDERTECH CO LTD·Filed 2016·Granted Jul 31, 2018·0 cites·7 claims
- 1940US2009293766A1Conductive inkMITSUI MINING & SMELTING CO·Filed 2005·Application pending·0 cites
- 2040US2019204761A1Magnetic core material for electrophotographic developer, carrier for electrophotographic developer, developer, method for producing magnetic core material for electrophotographic developer, method for producing carrier for electrophotographic developer, and method for producing developerPOWDERTECH CO LTD·Filed 2018·Application pending·0 cites
- 2136US2015277256A1Ferrite carrier core material for electrophotographic developer, ferrite carrier and electrophotographic developer using the ferrite carrierPOWDERTECH CO LTD·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →