Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12264086 | Filter for water-purification device and water-purification device including the same | Sangduck LEE, Yuseung CHOI, Uison Hwang | 2025-04-01 |
| 11919773 | Method for modifying surface of activated carbon and filter for water purifier | Yuseung CHOI, Sangduck LEE, Seonghwang Kim, Soojin Park, Dongbeom Seong +1 more | 2024-03-05 |
| 11780748 | Filter for water-purification device and water-purification device including the same | Sangduck LEE, Yuseung CHOI, Uison Hwang | 2023-10-10 |
| 11479483 | Filter for water purifier and water purifier including the same | Sangduck LEE, Yuseung CHOI | 2022-10-25 |