Inventor · disambiguated record
Masashi Miwa
Also filed as: MIWA MASASHI
38 granted patents·10 pending applications·75 citations·filing 2001–2025
96Inventor score
Top patents by PatentIndex Score
48 records- 0185US9773599B2R-T-B based sintered magnetTDK CORP·Filed 2013·Granted Sep 26, 2017·5 cites·6 claims
- 0283US10734143B2R-T-B based sintered magnetTDK CORP·Filed 2018·Granted Aug 4, 2020·2 cites·11 claims
- 0383US10388441B2R-T-B based sintered magnet and motorTDK CORP·Filed 2014·Granted Aug 20, 2019·2 cites·9 claims
- 0481US10109403B2R-T-B based sintered magnet and motorTDK CORP·Filed 2014·Granted Oct 23, 2018·4 cites·4 claims
- 0581US9514869B2R-T-B based sintered magnetTDK CORP·Filed 2013·Granted Dec 6, 2016·2 cites·19 claims
- 0675US10672546B2R-T-B based permanent magnetTDK CORP·Filed 2017·Granted Jun 2, 2020·1 cites·11 claims
- 0775US10256015B2R-t-b based sintered magnet and rotating machineTDK CORP·Filed 2014·Granted Apr 9, 2019·3 cites·2 claims
- 0872US10410777B2R-T-B based sintered magnet and motorTDK CORP·Filed 2014·Granted Sep 10, 2019·1 cites·13 claims
- 0972US6650046B2Thin-film EL device, and its fabrication processTDK CORP·Filed 2001·Granted Nov 18, 2003·15 cites·11 claims
- 1071US10096410B2R-T-B based sintered magnetTDK CORP·Filed 2014·Granted Oct 9, 2018·2 cites·19 claims
- 1171US2025296509A1Vehicle step deviceAISIN CORP·Filed 2025·Application pending·0 cites
- 1270US11661769B2Emergency release device of lock systemSHIROKI CORP·Filed 2019·Granted May 30, 2023·2 cites·4 claims
- 1370US10522276B2R-T-B based sintered magnetTDK CORP·Filed 2016·Granted Dec 31, 2019·1 cites·13 claims
- 1468US12020836B2R-T-B based permanent magnet and motorTDK CORP·Filed 2021·Granted Jun 25, 2024·0 cites·6 claims
- 1568US10395822B2Rare-earth magnet, method of manufacturing rare-earth magnet, and rotatorMIWA MASASHI·Filed 2011·Granted Aug 27, 2019·1 cites·8 claims
- 1666US6577059B2Thin-film EL device, and its fabrication processTDK CORP·Filed 2001·Granted Jun 10, 2003·11 cites·10 claims
- 1762US8292488B2Backlight unitOHFUKU KAZUKI·Filed 2007·Granted Oct 23, 2012·3 cites·2 claims
- 1861US8383252B2Rare earth magnet and its production methodTDK CORP·Filed 2008·Granted Feb 26, 2013·2 cites·3 claims
- 1960US11742119B2R-T-B based permanent magnetTDK CORP·Filed 2021·Granted Aug 29, 2023·0 cites·14 claims
- 2060US11636962B2R-T-B based permanent magnetTDK CORP·Filed 2021·Granted Apr 25, 2023·0 cites·6 claims
- 2160US10748686B2R-T-B based sintered magnetTDK CORP·Filed 2018·Granted Aug 18, 2020·0 cites·11 claims
- 2258US12485823B2Step apparatus for vehicleAISIN CORP·Filed 2021·Granted Dec 2, 2025·0 cites·6 claims
- 2358US11152142B2R-T-B based permanent magnetTDK CORP·Filed 2019·Granted Oct 19, 2021·0 cites·16 claims
- 2457US6677059B2EL device and making methodTDK CORP·Filed 2001·Granted Jan 13, 2004·6 cites·20 claims
- 2556US11657934B2R-T-B based permanent magnetTDK CORP·Filed 2019·Granted May 23, 2023·0 cites·12 claims
- 2656US9997284B2Sintered magnetTDK CORP·Filed 2013·Granted Jun 12, 2018·0 cites·4 claims
- 2755US12485824B2Step apparatus for vehicleAISIN CORP·Filed 2021·Granted Dec 2, 2025·0 cites·9 claims
- 2855US11410804B2R-T-B based permanent magnetTDK CORP·Filed 2020·Granted Aug 9, 2022·0 cites·6 claims
- 2955US6803122B2EL deviceTDK CORP·Filed 2002·Granted Oct 12, 2004·11 cites·22 claims
- 3055US2025014792A1R-t-b based permanent magnetTDK CORP·Filed 2022·Application pending·0 cites
- 3154US10529473B2R-T-B based permanent magnetTDK CORP·Filed 2017·Granted Jan 7, 2020·0 cites·12 claims
- 3253US11145444B2R-T-B-based sintered magnetTDK CORP·Filed 2019·Granted Oct 12, 2021·0 cites·5 claims
- 3353US10748685B2R-T-B based sintered magnetTDK CORP·Filed 2018·Granted Aug 18, 2020·0 cites·4 claims
- 3453US9903009B2Rare earth magnet and method for manufacturing sameMIWA MASASHI·Filed 2012·Granted Feb 27, 2018·0 cites·8 claims
- 3553US2025011904A1R-t-b permanent magnetTDK CORPORTION·Filed 2022·Application pending·0 cites
- 3653US2008050581A1Rare Earth Magnet and Method for Manufacturing SameTDK CORP·Filed 2005·Application pending·0 cites
- 3752US2024375591A1Vehicle step deviceAISIN CORP·Filed 2022·Application pending·0 cites
- 3852US2024383407A1Vehicle step deviceAISIN CORP·Filed 2022·Application pending·0 cites
- 3950US2024025345A1Vehicle step device and vehicle including vehicle step deviceAISIN CORP·Filed 2023·Application pending·0 cites
- 4048US10784028B2R-T-B based permanent magnetTDK CORP·Filed 2017·Granted Sep 22, 2020·0 cites·16 claims
- 4148US10408993B2Light source unit, lighting device, and display deviceSHARP KK·Filed 2016·Granted Sep 10, 2019·0 cites·12 claims
- 4247USD983716SVehicle running boardAISIN CORP·Filed 2021·Granted Apr 18, 2023·1 cites·1 claims
- 4347US10943717B2R-T-B based permanent magnetTDK CORP·Filed 2017·Granted Mar 9, 2021·0 cites·11 claims
- 4441US10388443B2R-T-B based sintered magnetTDK CORP·Filed 2016·Granted Aug 20, 2019·0 cites·8 claims
- 4541US2014192497A1Display module and display device including the display moduleISOBE HIROAKI·Filed 2012·Application pending·0 cites
- 4640US9005780B2Rare earth magnet, method for producing same and method for producing multilayer bodySAKAMOTO TAKESHI·Filed 2005·Granted Apr 14, 2015·0 cites·1 claims
- 4739US2019295754A1R-t-b-based sintered magnetTDK CORP·Filed 2019·Application pending·0 cites
- 4836US2010182539A1Backlight unit and liquid crystal displayOHYAMA CHIAKI·Filed 2008·Application pending·0 cites
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