Inventor · disambiguated record
Naoki Oiwa
Also filed as: OIWA NAOKI
7 granted patents·4 pending applications·28 citations·filing 2008–2023
78Inventor score
Top patents by PatentIndex Score
11 records- 0195US11229972B2Friction stir welding device and friction stir welding methodIHI CORP·Filed 2017·Granted Jan 25, 2022·17 cites·15 claims
- 0287US12334779B2Rotor, electric motor, and rotor production methodIHI CORP·Filed 2022·Granted Jun 17, 2025·1 cites·20 claims
- 0378US8875980B2Friction stir welding apparatusSAITO HIROSHI·Filed 2011·Granted Nov 4, 2014·5 cites·9 claims
- 0473US8950651B2Friction joining method and joined structureIHI CORP·Filed 2013·Granted Feb 10, 2015·5 cites·5 claims
- 0569US12424912B2Motor rotor with end ringIHI CORP·Filed 2023·Granted Sep 23, 2025·0 cites·20 claims
- 0656US2023231431A1Motor rotor with fractured magnetIHI CORP·Filed 2023·Application pending·0 cites
- 0750US2015190881A1Friction joining method and joined structureIHI CORP·Filed 2015·Application pending·0 cites
- 0843US8491837B2Ni-based brazing composition, braze repair method, and braze-repair structureOIWA NAOKI·Filed 2008·Granted Jul 23, 2013·0 cites·6 claims
- 0941US10207357B2Friction stir welding deviceIHI CORP·Filed 2016·Granted Feb 19, 2019·0 cites·4 claims
- 1038US2017014939A1Workpiece securing device for friction stir welding deviceIHI CORP·Filed 2016·Application pending·0 cites
- 1130US2013272781A1Method for welding steel material to ni-based superalloy and welding jointOIWA NAOKI·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →