Inventor · disambiguated record
Tsuyoshi Hirajima
Also filed as: HIRAJIMA TSUYOSHI
3 granted patents·4 pending applications·5 citations·filing 1992–2025
57Inventor score
Files withUNIV KYUSHU NAT UNIV CORP3IDEMITSU KOSAN CO1OKAMOTO HIDEYUKI1SHOWA SHELL SEKIYU1SUMITOMO METAL MINING CO1
Top patents by PatentIndex Score
7 records- 0165US8685350B2Method for separating arsenic mineral from copper-bearing material with high arsenic gradeOKAMOTO HIDEYUKI·Filed 2011·Granted Apr 1, 2014·2 cites·18 claims
- 0265US2024327947A1Mineral processing methodUNIV KYUSHU NAT UNIV CORP·Filed 2024·Application pending·0 cites
- 0354US2025153191A1Flotation recovery rate prediction device, flotation recovery rate prediction method, and programSUMITOMO METAL MINING CO·Filed 2025·Application pending·0 cites
- 0453US2010089801A1Process for production of low-specific-gravity hollow particlesIDEMITSU KOSAN CO·Filed 2008·Application pending·0 cites
- 0550US11697862B2Mineral processing methodUNIV KYUSHU NAT UNIV CORP·Filed 2018·Granted Jul 11, 2023·0 cites·4 claims
- 0642US2022355313A1Mineral processing methodUNIV KYUSHU NAT UNIV CORP·Filed 2020·Application pending·0 cites
- 0723US5152942AMethod for agglomeration in liquid and apparatus used thereforSHOWA SHELL SEKIYU·Filed 1992·Granted Oct 6, 1992·3 cites·11 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →