Inventor · disambiguated record
A Ram Park
Also filed as: PARK A RAM
1 granted patent·2 pending applications·0 citations·filing 2021–2024
5Inventor score
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3 records- 0162US2025140827A1Positive electrode active material for sodium secondary battery, method of preparing the same, and sodium secondaryECOPRO BM CO LTD·Filed 2024·Application pending·0 cites
- 0257US2025136467A1Positive electrode active material for sodium secondary battery, method of preparing the same, and sodium secondary battery including the sameECOPRO BM CO LTD·Filed 2024·Application pending·0 cites
- 0347US11987861B2Method for recovering valuable metal from waste electrode material of lithium secondary battery by using lithium carbonateECOPRO INNOVATION CO LTD·Filed 2021·Granted May 21, 2024·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →