Inventor · disambiguated record
Kyu Sang Ahn
Also filed as: AHN KYU SANG
0 granted patents·4 pending applications·0 citations·filing 2022–2025
Files withDONGWOO FINE CHEM CO LTD4
Top patents by PatentIndex Score
4 records- 0160US2025236794A1Composition for etching silicon nitride layerDONGWOO FINE CHEM CO LTD·Filed 2024·Application pending·0 cites
- 0251US2024034932A1Etchant composition, and method of forming pattern using the same, and method of fabricating array substrate using the sameDONGWOO FINE CHEM CO LTD·Filed 2022·Application pending·0 cites
- 0349US2024287383A1Silicon-etchant composition and method of forming pattern using the sameDONGWOO FINE CHEM CO LTD·Filed 2024·Application pending·0 cites
- 0443US2025236792A1Etchant composition for etching silicon and method of forming pattern using the sameDONGWOO FINE CHEM CO LTD·Filed 2025·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →