Inventor · disambiguated record
Yeong Su Choo
Also filed as: CHOO YEONG SU
1 granted patent·1 pending application·0 citations·filing 2022–2024
11Inventor score
Files withJAEWON IND CO LTD2
Top patents by PatentIndex Score
2 records- 0173US12482828B2Method for preparing a cathode of a secondary battery and a purified N-methyl pyrrolidone, and purifying a waste N-methyl pyrrolidone using an inhibitorJAEWON IND CO LTD·Filed 2024·Granted Nov 25, 2025·0 cites·16 claims
- 0248US2023192609A1Method for puriyfing waste n-methyl-2-pyrrolidoneJAEWON IND CO LTD·Filed 2022·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →