Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8481221 | Fuel cell system | Seong-Kee Yoon, Young-soo Joung, Hye-jung Cho, In-Seob Song | 2013-07-09 |
JP
Jung-Kum Park
Overall (All Time): #3,166,190 of 4,157,543Top 80%
1
Patents All Time