Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12365268 | System for improving startability of fuel cell vehicle and control method thereof | Seong Cheol Jeong | 2025-07-22 |
| 11870117 | System and method for operating fuel cell | Dong Hun Lee | 2024-01-09 |
| 11440437 | Driving control system and control method of fuel cell vehicle | Dong Hun Lee | 2022-09-13 |
| 9963211 | Propulsion apparatus for ship and ship having the same | Se-Myun Oh, Dong Hyun Lee, Hyun-Sang Park, Sung-Wook Chung, Nam-Yong Heo | 2018-05-08 |
| 9862460 | Propeller for ship, and assembling method and disassembling method therefor | Kwang Jun Paik, Hyun-Sang Park, Jin-Suk Lee, Tae-Goo Lee, Ji Nam Kim +10 more | 2018-01-09 |