Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10161526 | Valve for controlling coolant flow and fuel cell cooling system using the same | Sung Wook Na | 2018-12-25 |
| 10084193 | Device for preventing over pressure of cooling system of fuel cell system | Su Dong Han, Hyung Kook Kim | 2018-09-25 |
| 10069151 | De-mineralizer for fuel cell and manufacturing method of same | Sung Wook Na, Chi Myung Kim | 2018-09-04 |
| 9960436 | Ion filter life perception device for fuel cell vehicle | Sung Wook Na | 2018-05-01 |