Inventor · disambiguated record

Toyokazu Ohkubo

Also filed as: OHKUBO TOYOKAZU

2 granted patents·20 citations·filing 1981–1982

59Inventor score

Technology areasC22B Y02P

Files withSUMITOMO METAL MINING CO2

Top patents by PatentIndex Score

2 records

0161US4389248AMethod of recovering gold from anode slimesSUMITOMO METAL MINING CO·Filed 1981·Granted Jun 21, 1983·14 cites·18 claims
0241US4374098AMethod 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 →