Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9634341 | Apparatus and method for diagnosing fuel cell | Sang Bok Won | 2017-04-25 |
| 9575136 | Apparatus and method for measuring impedance of fuel cell stack | Sang Bok Won | 2017-02-21 |