Inventor · disambiguated record
Sumio Izumi
Also filed as: IZUMI SUMIO
7 granted patents·138 citations·filing 1974–1975
87Inventor score
Files withMITSUI MINING & SMELTING CO7
Top patents by PatentIndex Score
7 records- 0185US4119533AMethod for separating mixed plasticsMITSUI MINING & SMELTING CO·Filed 1975·Granted Oct 10, 1978·41 cites·7 claims
- 0272US4132633AMethod for separating mixture of plasticsMITSUI MINING & SMELTING CO·Filed 1975·Granted Jan 2, 1979·22 cites·18 claims
- 0371US3985650AMethod for separating plastics-containing mixtureMITSUI MINING & SMELTING CO·Filed 1975·Granted Oct 12, 1976·22 cites·17 claims
- 0466US3941688AMethod for separation of mixture of polyester and cellulose derivativeMITSUI MINING & SMELTING CO·Filed 1974·Granted Mar 2, 1976·18 cites·9 claims
- 0562US4040949AMethod for separation of mixture of polyester and cellulose derivativeMITSUI MINING & SMELTING CO·Filed 1975·Granted Aug 9, 1977·16 cites·3 claims
- 0656US4046677AMethod for separating large-sized film-like plasticsMITSUI MINING & SMELTING CO·Filed 1974·Granted Sep 6, 1977·12 cites·9 claims
- 0744US3933633AMethod for separating vinyl chlorideMITSUI MINING & SMELTING CO·Filed 1974·Granted Jan 20, 1976·7 cites·6 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →