Inventor · disambiguated record
Yoshikazu Tatehana
Also filed as: TATEHANA YOSHIKAZU · TOKUNAGA HIROSHI
2 granted patents·5 citations·filing 1976–1977
49Inventor score
Technology areasC22B
Files withMITSUI MINING & SMELTING CO2
Top patents by PatentIndex Score
2 records- 0131US4164418AMethod of recovering valuable metals from zinc bearing materials and blast furnace relevant theretoMITSUI MINING & SMELTING CO·Filed 1977·Granted Aug 14, 1979·3 cites·10 claims
- 0229US4071228AMethod of recovering valuable metals from zinc bearing materials and blast furnace relevant theretoMITSUI MINING & SMELTING CO·Filed 1976·Granted Jan 31, 1978·2 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →