Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9450254 | Gas diffusion layer for fuel cell vehicle with improved operational stability | Bo Ki Hong, Kook Il Han, Sang Yeoul Ahn, Byeong-Heon Jeong | 2016-09-20 |
| 9170216 | Pinhole detection system of fuel cell | Sang Yeoul Ahn, Sang Hyun Cho, Jea Suk Park, Sung Keun Lee, Byung Ki Ahn +1 more | 2015-10-27 |
| 8654920 | System for detecting pin hole of fuel cell stack parts | Sang Yeoul Ahn, Byung Ki Ahn, Sung Keun Lee, Tae Won Lim | 2014-02-18 |