Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12286367 | Ion removal unit for water heater, and scale-free boiler, scale-free water heater, and portable ion remover including the same | Soo Young Lee, Jun Kyu Park | 2025-04-29 |
| 11572287 | Water-softening system | Bum Seup KIM, Soo Young Lee, Ji Hyung Yoon | 2023-02-07 |