Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11845632 | Method of predictively maintaining elevator driving unit | — | 2023-12-19 |
| 11549876 | Apparatus and method for determining chemical input | Seongjoon KIM, Jungwon Park | 2023-01-10 |