Inventor · disambiguated record
Tesshu Murakawa
Also filed as: MURAKAWA TESSHU
20 granted patents·11 pending applications·7 citations·filing 2009–2025
88Inventor score
Top patents by PatentIndex Score
31 records- 0195US12009709B2Rotating electrical machine, stator core and rotor core set, method for manufacturing rotating electrical machine, method for manufacturing non-oriented electrical steel sheet, method for manufacturing rotor and stator of rotating electrical machine, and non-oriented electrical steel sheet setNIPPON STEEL CORP·Filed 2022·Granted Jun 11, 2024·2 cites·3 claims
- 0289US11279985B2Non-oriented electrical steel sheetNIPPON STEEL CORP·Filed 2018·Granted Mar 22, 2022·2 cites·6 claims
- 0380US9728312B2Non-oriented electrical steel sheet and manufacturing method thereofNIPPON STEEL & SUMITOMO METAL CORP·Filed 2012·Granted Aug 8, 2017·2 cites·4 claims
- 0475US2024096531A1Non-oriented electrical steel sheet, motor core, method for manufacturing non-oriented electrical steel sheet, and method for manufacturing motor coreNIPPON STEEL CORP·Filed 2022·Application pending·0 cites
- 0569US12286694B2Non-oriented electrical steel sheetNIPPON STEEL CORP·Filed 2022·Granted Apr 29, 2025·0 cites·4 claims
- 0667US11111567B2Non-oriented electrical steel sheetNIPPON STEEL CORP·Filed 2019·Granted Sep 7, 2021·0 cites·4 claims
- 0767US10214791B2Non-oriented electrical steel sheetNIPPON STEEL & SUMITOMO METAL CORP·Filed 2017·Granted Feb 26, 2019·0 cites·4 claims
- 0867US9512500B2Non-oriented electrical steel sheet, method of manufacturing the same, laminate for motor iron core, and method of manufacturing the sameFUJIKURA MASAHIRO·Filed 2012·Granted Dec 6, 2016·1 cites·16 claims
- 0966US2025140456A1Non-oriented electrical steel sheet, motor core, method for manufacturing non-oriented electrical steel sheet, and method for manufacturing motor coreNIPPON STEEL CORP·Filed 2025·Application pending·0 cites
- 1064US12024762B2Non-oriented electrical steel sheetNIPPON STEEL CORP·Filed 2022·Granted Jul 2, 2024·0 cites·1 claims
- 1163US2024141463A1Non-oriented electrical steel sheet and method for manufacturing sameNIPPON STEEL CORP·Filed 2022·Application pending·0 cites
- 1263US2025167644A1Manufacturing method of laminated iron core, manufacturing apparatus of laminated iron core, laminated iron core, and rotary electric machineNIPPON STEEL CORP·Filed 2023·Application pending·0 cites
- 1362US12276004B2Non-oriented electrical steel sheetNIPPON STEEL CORP·Filed 2020·Granted Apr 15, 2025·0 cites·7 claims
- 1462US11942246B2Non-oriented electrical steel sheetNIPPON STEEL CORP·Filed 2022·Granted Mar 26, 2024·0 cites·2 claims
- 1561US12195831B2Non-oriented electrical steel sheetNIPPON STEEL CORP·Filed 2020·Granted Jan 14, 2025·0 cites·12 claims
- 1660US11952641B2Non oriented electrical steel sheetNIPPON STEEL CORP·Filed 2019·Granted Apr 9, 2024·0 cites·6 claims
- 1760US2025286412A1Rotary electric machine, non-oriented electrical steel sheet, laminated core, method for manufacturing rotary electric machine, and method for manufacturing laminated coreNIPPON STEEL CORP·Filed 2022·Application pending·0 cites
- 1860US2024158896A1Non-oriented electrical steel sheet and method for manufacturing sameNIPPON STEEL CORP·Filed 2022·Application pending·0 cites
- 1959US12451737B2Rotating electrical machine, stator core and rotor core set, method for manufacturing rotating electrical machine, method for manufacturing non-oriented electrical steel sheet for stator and non-oriented electrical steel sheet for rotor, method for manufacturing stator and rotor, and non-oriented electrical steel sheet setNIPPON STEEL CORP·Filed 2022·Granted Oct 21, 2025·0 cites·24 claims
- 2059US12448663B2Method for manufacturing non-oriented electrical steel sheetNIPPON STEEL CORP·Filed 2020·Granted Oct 21, 2025·0 cites·10 claims
- 2159US2025364880A1Manufacturing method of laminated core, manufacturing apparatus of laminated core, laminated core, and rotary electric machineNIPPON STEEL CORP·Filed 2023·Application pending·0 cites
- 2257US2022349037A1Method for manufacturing non-oriented electrical steel sheetNIPPON STEEL CORP·Filed 2020·Application pending·0 cites
- 2357US2024153683A1Non-oriented electrical steel sheet and method for manufacturing sameNIPPON STEEL CORP·Filed 2022·Application pending·0 cites
- 2456US12211633B2Non-oriented electrical steel sheetNIPPON STEEL CORP·Filed 2020·Granted Jan 28, 2025·0 cites·20 claims
- 2554US2023106818A1Non-oriented electrical steel sheet, core, cold-rolled steel sheet, method for manufacturing non-oriented electrical steel sheet, and method for manufacturing cold-rolled steel sheetNIPPON STEEL CORP·Filed 2021·Application pending·0 cites
- 2652US12381028B2Laminated core and electrical deviceNIPPON STEEL CORP·Filed 2020·Granted Aug 5, 2025·0 cites·7 claims
- 2751US12142966B2Rotor core, rotor, and rotating electric machineNIPPON STEEL CORP·Filed 2020·Granted Nov 12, 2024·0 cites·20 claims
- 2850US12483075B2Stator core and rotary electric machineNIPPON STEEL CORP·Filed 2020·Granted Nov 25, 2025·0 cites·10 claims
- 2948US12283846B2Stator core, rotary electric machine, and design method for stator coreNIPPON STEEL CORP·Filed 2020·Granted Apr 22, 2025·0 cites·18 claims
- 3047US2011039120A1Non-oriented electrical steel sheet and manufacturing method thereofFUJII HIROYASU·Filed 2009·Application pending·0 cites
- 3143US9721706B2Non-oriented electrical steel sheet, manufacturing method thereof, laminate for motor iron core, and manufacturing method thereofFUJIKURA MASAHIRO·Filed 2012·Granted Aug 1, 2017·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →