Inventor · disambiguated record
Eiji Okamatsu
Also filed as: OKAMATSU EIJI
4 granted patents·2 pending applications·2 citations·filing 2004–2016
58Inventor score
Top patents by PatentIndex Score
6 records- 0160US8795846B2Ni-plated steel sheet for battery can having excellent press formabilityMINAGI HIDEYUKI·Filed 2010·Granted Aug 5, 2014·1 cites·2 claims
- 0252US10910607B2Method for producing surface-treated steel sheet for battery containers and surface-treated steel sheet for battery containersTOYO KOHAN CO LTD·Filed 2016·Granted Feb 2, 2021·0 cites·2 claims
- 0351US9926641B2Method of manufacturing metal sheet having alloy plated layerTOYO KOHAN CO LTD·Filed 2013·Granted Mar 27, 2018·0 cites·4 claims
- 0444US8734961B2Nickel-plated steel sheet and process for producing battery can using the nickel-plated steel sheetTAKEMATSU SHINICHI·Filed 2010·Granted May 27, 2014·1 cites·4 claims
- 0542US2008292957A1Surface-Treated Steel Sheet for Battery Cases, a Battery Case and a Battery Using ItTOYO KOHAN CO LTD·Filed 2004·Application pending·0 cites
- 0634US2013209867A1Ni-plated steel sheet with excellent pressability for battery canMINAGI HIDEYUKI·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →