Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12203241 | Excavator including upper swing body having free swing function | Chunhan Lee | 2025-01-21 |
| 11773569 | Power mode recommendation system for construction machine | Sanghee Lee, Chunhan Lee, Miok Kim, Sanggyun Shin | 2023-10-03 |