Inventor · disambiguated record
Naoki Kumada
Also filed as: KUMADA NAOKI
3 granted patents·2 pending applications·13 citations·filing 2003–2019
61Inventor score
Top patents by PatentIndex Score
5 records- 0181US7988880B2Spinel type lithium transition metal oxideMITSUI MINING & SMELTING CO·Filed 2008·Granted Aug 2, 2011·5 cites·20 claims
- 0280US7927741B2Lithium transition metal oxide having layered structureMITSUI MINING & SMELTING CO·Filed 2008·Granted Apr 19, 2011·8 cites·14 claims
- 0366US11848441B2Zinc foil, primary battery negative electrode active material using same, and zinc foil production methodMITSUI MINING & SMELTING CO LTD·Filed 2019·Granted Dec 19, 2023·0 cites·10 claims
- 0436US2004009400A1Battery cathode active material, method for producing electrolytic manganese dioxide, and batteryMITSUI MINING & SMELTING CO·Filed 2003·Application pending·0 cites
- 0534US2006019165A1Active substance of postitive electrode for battery, process for producing the same and battery therefromYAMAGUCHI MUNETOSHI·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →