Inventor · disambiguated record
Toshimasa Iio
Also filed as: IIO TOSHIMASA
3 granted patents·35 citations·filing 1974–1982
70Inventor score
Top patents by PatentIndex Score
3 records- 0164US4004990AProcess for separating and recovering nickel and cobaltSUMITOMO METAL MINING CO LIMIT·Filed 1974·Granted Jan 25, 1977·15 cites·8 claims
- 0261US4389248AMethod of recovering gold from anode slimesSUMITOMO METAL MINING CO·Filed 1981·Granted Jun 21, 1983·14 cites·18 claims
- 0341US4374098AMethod of concentrating silver from anode slimeSUMITOMO METAL MINING CO·Filed 1982·Granted Feb 15, 1983·6 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →