Inventor · disambiguated record
Hirofumi Shouji
Also filed as: SHOUJI HIROFUMI
6 granted patents·9 pending applications·21 citations·filing 2005–2022
72Inventor score
Files withSUMITOMO METAL MINING CO15
Top patents by PatentIndex Score
15 records- 0190US7563421B2Hydrometallurgical process of nickel oxide oreSUMITOMO METAL MINING CO·Filed 2005·Granted Jul 21, 2009·19 cites·5 claims
- 0282US10081851B2Method for recovering high-purity scandiumSUMITOMO METAL MINING CO·Filed 2015·Granted Sep 25, 2018·2 cites·19 claims
- 0362US12500283B2Method for treating alloySUMITOMO METAL MINING CO·Filed 2022·Granted Dec 16, 2025·0 cites·6 claims
- 0459US2025286160A1Alloy processing methodSUMITOMO METAL MINING CO·Filed 2022·Application pending·0 cites
- 0559US2023295766A1Method for treating sulfideSUMITOMO METAL MINING CO·Filed 2021·Application pending·0 cites
- 0658US2024318282A1Method for processing alloySUMITOMO METAL MINING CO·Filed 2022·Application pending·0 cites
- 0758US2025003027A1Method for processing alloySUMITOMO METAL MINING CO·Filed 2022·Application pending·0 cites
- 0856US2025043383A1Treatment method for alloySUMITOMO METAL MINING CO·Filed 2022·Application pending·0 cites
- 0953US2024392408A1Alloy treatment methodSUMITOMO METAL MINING CO·Filed 2022·Application pending·0 cites
- 1052US2023071697A1Method for treating alloySUMITOMO METAL MINING CO·Filed 2021·Application pending·0 cites
- 1151US2023160035A1Method for treating alloySUMITOMO METAL MINING CO·Filed 2021·Application pending·0 cites
- 1251US2023167526A1Alloy treatment methodSUMITOMO METAL MINING CO·Filed 2021·Application pending·0 cites
- 1350US9255013B2Method for producing hematite for ironmakingSUMITOMO METAL MINING CO·Filed 2013·Granted Feb 9, 2016·0 cites·7 claims
- 1446US9776885B2Method for producing hematite for ironmakingSUMITOMO METAL MINING CO·Filed 2013·Granted Oct 3, 2017·0 cites·9 claims
- 1544US10227675B2Wet smelting method for nickel oxide oreSUMITOMO METAL MINING CO·Filed 2015·Granted Mar 12, 2019·0 cites·1 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →