Inventor · disambiguated record
Noritsugu Sakuma
Also filed as: SAKUMA NORITSUGU
32 granted patents·25 pending applications·16 citations·filing 2007–2024
93Inventor score
Top patents by PatentIndex Score
57 records- 0184US9257227B2Method for manufacturing rare-earth magnetHAGA KAZUAKI·Filed 2013·Granted Feb 9, 2016·8 cites·1 claims
- 0283US10325704B2Rare earth magnetTOYOTA MOTOR CO LTD·Filed 2016·Granted Jun 18, 2019·1 cites·9 claims
- 0377US10464132B2Permanent magnet source powder fabrication method, permanent magnet fabrication method, and permanent magnet raw material powder inspection methodSAKUMA NORITSUGU·Filed 2013·Granted Nov 5, 2019·4 cites·22 claims
- 0474US10468165B2Rare-earth magnet and method for manufacturing sameTOYOTA MOTOR CO LTD·Filed 2014·Granted Nov 5, 2019·1 cites·10 claims
- 0573US11996219B2Magnetic material and manufacturing method thereofTOYOTA MOTOR CO LTD·Filed 2021·Granted May 28, 2024·0 cites·9 claims
- 0672US10748684B2Rare-earth magnet and method for manufacturing sameTOYOTA MOTOR CO LTD·Filed 2019·Granted Aug 18, 2020·0 cites·12 claims
- 0772US10351935B2Magnetic compound and method of producing the sameTOYOTA MOTOR CO LTD·Filed 2015·Granted Jul 16, 2019·1 cites·7 claims
- 0871US10347418B2Method of manufacturing rare earth magnetTOYOTA MOTOR CO LTD·Filed 2014·Granted Jul 9, 2019·1 cites·5 claims
- 0968US11935676B2Sm—Fe—N-based magnetic material and manufacturing method thereofTOYOTA MOTOR CO LTD·Filed 2021·Granted Mar 19, 2024·0 cites·10 claims
- 1067US2025095916A1Rare earth magnet, method for manufacturing the same, and motor including the sameTOYOTA MOTOR CO LTD·Filed 2024·Application pending·0 cites
- 1166US12080455B2Sm—Fe—N-based magnetic material and manufacturing method thereofTOYOTA MOTOR CO LTD·Filed 2021·Granted Sep 3, 2024·0 cites·9 claims
- 1266US2024355516A1Sm-fe-n-based magnetic material and production method thereofTOYOTA MOTOR CO LTD·Filed 2024·Application pending·0 cites
- 1364US12217907B2Rare-earth magnet and method of manufacturing the sameTOYOTA MOTOR CO LTD·Filed 2021·Granted Feb 4, 2025·0 cites·8 claims
- 1464US11476020B2Rare earth magnet and production method thereofTOYOTA MOTOR CO LTD·Filed 2018·Granted Oct 18, 2022·0 cites·15 claims
- 1564US2025201457A1Sm-Fe-N-BASED MAGNETIC MATERIAL AND PRODUCTION METHOD THEREOFTOYOTA MOTOR CO LTD·Filed 2024·Application pending·0 cites
- 1664US2024186036A1R-t-b-based rare earth magnet and production method thereofTOYOTA MOTOR CO LTD·Filed 2023·Application pending·0 cites
- 1763US12505940B2Rare earth magnet and manufacturing method thereforTOYOTA MOTOR CO LTD·Filed 2021·Granted Dec 23, 2025·0 cites·7 claims
- 1863US10090090B2Rare-earth nanocomposite magnetTOYOTA MOTOR CO LTD·Filed 2017·Granted Oct 2, 2018·0 cites·9 claims
- 1962US11869690B2Rare earth magnet and producing method thereofTOYOTA MOTOR CO LTD·Filed 2022·Granted Jan 9, 2024·0 cites·8 claims
- 2059US2024153680A1Rare-earth anisotropic magnet powder, and method for producing sameAICHI STEEL CORP·Filed 2022·Application pending·0 cites
- 2159US2023317327A1Production method of rare earth magnetTOYOTA MOTOR CO LTD·Filed 2023·Application pending·0 cites
- 2257US10242795B2Method of manufacturing rare earth magnetTOYOTA MOTOR CO LTD·Filed 2014·Granted Mar 26, 2019·0 cites·2 claims
- 2357US2022246336A1Manufacturing method for rare earth magnetTOYOTA MOTOR CO LTD·Filed 2021·Application pending·0 cites
- 2456US10910987B2Motor control methodTOYOTA MOTOR CO LTD·Filed 2019·Granted Feb 2, 2021·0 cites·24 claims
- 2556US2022130580A1Rare earth magnet and method for producing thereofTOYOTA MOTOR CO LTD·Filed 2021·Application pending·0 cites
- 2655US12460278B2Production method of rare earth magnetTOYOTA MOTOR CO LTD·Filed 2020·Granted Nov 4, 2025·0 cites·10 claims
- 2754US11664140B2Rare earth magnet and manufacturing method thereforTOYOTA MOTOR CO LTD·Filed 2021·Granted May 30, 2023·0 cites·10 claims
- 2853US2021375515A1Rare earth magnet and production method thereofTOYOTA MOTOR CO LTD·Filed 2021·Application pending·0 cites
- 2951US11522420B2Method of producing motor coreTOYOTA MOTOR CO LTD·Filed 2020·Granted Dec 6, 2022·0 cites·21 claims
- 3051US7976643B2Production method for nanocomposite magnetTOYOTA MOTOR CO LTD·Filed 2007·Granted Jul 12, 2011·0 cites·11 claims
- 3151US2021074455A1Rare earth magnet and production method thereofTOYOTA MOTOR CO LTD·Filed 2020·Application pending·0 cites
- 3250US11087922B2Production method of rare earth magnetTOYOTA MOTOR CO LTD·Filed 2018·Granted Aug 10, 2021·0 cites·14 claims
- 3350US10937577B2Magnetic compound and production method thereofTOYOTA MOTOR CO LTD·Filed 2016·Granted Mar 2, 2021·0 cites·12 claims
- 3450US2018182515A1Rare earth magnet and production method thereofTOYOTA MOTOR CO LTD·Filed 2017·Application pending·0 cites
- 3550US2018182516A1Rare earth magnetTOYOTA MOTOR CO LTD·Filed 2017·Application pending·0 cites
- 3649US10892076B2Rare earth magnet and method of producing the sameTOYOTA MOTOR CO LTD·Filed 2017·Granted Jan 12, 2021·0 cites·16 claims
- 3749US9818520B2Rare-earth nanocomposite magnetKISHIMOTO HIDEFUMI·Filed 2012·Granted Nov 14, 2017·0 cites·4 claims
- 3848US2019311826A1Production method of rare earth magnet and production apparatus used thereforTOYOTA MOTOR CO LTD·Filed 2019·Application pending·0 cites
- 3948US2020098497A1Rare earth magnet and production method thereofTOYOTA MOTOR CO LTD·Filed 2019·Application pending·0 cites
- 4047US9761358B2Method for producing rare earth magnets, and rare earth magnetsSAKUMA NORITSUGU·Filed 2012·Granted Sep 12, 2017·0 cites·8 claims
- 4147US2020098496A1Rare earth magnet and production method thereofTOYOTA MOTOR CO LTD·Filed 2019·Application pending·0 cites
- 4247US2014238553A1Sintered body that is precursor of rare-earth magnet, and method for producing magnetic powder for forming the sameSAKUMA NORITSUGU·Filed 2012·Application pending·0 cites
- 4346US2014260800A1Method for producing magnetic powder for forming sintered body that is precursor of rare-earth magnetTOYOTA MOTOR CO LTD·Filed 2012·Application pending·0 cites
- 4446US2013323541A1Air electrode for air battery, method of producing same, and air batteryMIZUNO FUMINORI·Filed 2012·Application pending·0 cites
- 4544US9640305B2Method for producing sintered rare-earth magnet, sintered rare-earth magnet, and material for sameSHOJI TETSUYA·Filed 2010·Granted May 2, 2017·0 cites·7 claims
- 4644US9190196B2Rare earth magnet and manufacturing method thereforSAKUMA NORITSUGU·Filed 2010·Granted Nov 17, 2015·0 cites·8 claims
- 4744US2014116577A1Method of production of rare earth magnetic alloy ribbonSAKUMA NORITSUGU·Filed 2013·Application pending·0 cites
- 4842US2012312422A1Method of producing nanocomposite magnetYANO MASAO·Filed 2011·Application pending·0 cites
- 4942US2015357100A1Nanocomposite magnet and method of producing the sameTOYOTA MOTOR CO LTD·Filed 2015·Application pending·0 cites
- 5041US11721479B2Rare earth magnetsTOYOTA MOTOR CO LTD·Filed 2020·Granted Aug 8, 2023·0 cites·2 claims
Showing the top 50 of 57 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →