Inventor · disambiguated record
Ryoma Yamaguma
Also filed as: YAMAGUMA RYOMA
1 granted patent·2 pending applications·0 citations·filing 2015–2016
11Inventor score
Files withSUMITOMO METAL MINING CO3
Top patents by PatentIndex Score
3 records- 0156US10156002B2Method for recovering scandiumSUMITOMO METAL MINING CO·Filed 2015·Granted Dec 18, 2018·0 cites·3 claims
- 0239US2018257143A1Method for manufacturing nickel powder, and method for operating reaction facilitySUMITOMO METAL MINING CO·Filed 2016·Application pending·0 cites
- 0336US2018056399A1Cobalt powder production methodSUMITOMO METAL MINING CO·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →