Inventor · disambiguated record
Woo Youl Ahan
Also filed as: AHAN WOO YOUL
3 granted patents·2 citations·filing 2017–2021
53Inventor score
Top patents by PatentIndex Score
3 records- 0174US11219840B2Dividing wall distillation column and method for refining vinylidene dichloride by using sameHANWHA SOLUTIONS CORP·Filed 2018·Granted Jan 11, 2022·1 cites·7 claims
- 0262US11707697B2Dividing wall distillation column and method for refining vinylidene dichloride by using sameHANWHA SOLUTIONS CORP·Filed 2021·Granted Jul 25, 2023·0 cites·5 claims
- 0362US10981081B2Distillation apparatusHANWHA CHEMICAL CORP·Filed 2017·Granted Apr 20, 2021·1 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →