Inventor · disambiguated record
Sumio Hamada
Also filed as: HAMADA SUMIO
3 granted patents·1 pending application·101 citations·filing 1981–2004
72Inventor score
Top patents by PatentIndex Score
4 records- 0190US6669986B1Process for manufacturing multilayer pellets and use of the multilayer pelletsSUMIKA COLOR COMPANY LTD·Filed 2000·Granted Dec 30, 2003·83 cites·10 claims
- 0258US7541050B2Two-layered olefin-based resin pellets for insecticidal resin compositionSUMITOMO CHEMICAL CO·Filed 2004·Granted Jun 2, 2009·2 cites·4 claims
- 0354US4317705AMethod for measuring concentration of oxidant or reductantNISSAN ENGINEERING LTD·Filed 1981·Granted Mar 2, 1982·16 cites·1 claims
- 0447US2005100574A1Antibacterial polyester resin compositionFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →