Inventor · disambiguated record
Shigefumi Nishitani
Also filed as: NISHITANI SHIGEFUMI
2 granted patents·2 pending applications·2 citations·filing 2013–2021
34Inventor score
Top patents by PatentIndex Score
4 records- 0176US11447849B2Non-heat treated steel for induction hardeningNIPPON STEEL & SUMITOMO METAL CORP·Filed 2017·Granted Sep 20, 2022·2 cites·16 claims
- 0254US2024368744A1Steel material, and crankshaft made of the steel materialNIPPON STEEL CORP·Filed 2021·Application pending·0 cites
- 0353US9956950B2Non-thermal refined soft-nitrided componentNIPPON STEEL & SUMITOMO METAL CORP·Filed 2013·Granted May 1, 2018·0 cites·3 claims
- 0436US2017275741A1Non-thermal refined nitrocarburized componentNIPPON STEEL & SUMITOMO METAL CORP·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →