Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11767195 | Safety inspection system for occupant evacuation elevator, and method thereof | Bum Yeon Cho, Heung Youl Kim, Ki-Seok Kwon | 2023-09-26 |
| 11577933 | System for supporting evacuation strategy using occupant evacuation elevator, and method thereof | Bum Yeon Cho, Heung Youl Kim, Ki-Seok Kwon | 2023-02-14 |