Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10454115 | Porous carbon materials and methods of manufacturing the same | Heung Yong Ha, Hyuck Su Lee | 2019-10-22 |
| 9911996 | Method and apparatus for controlling fuel concentration of liquid fuel cell by sensor-less and voltage amplitude-control based feed-back control, and liquid fuel cell apparatus using the same | Heung Yong Ha, Myunggi An, Asad Mehmood | 2018-03-06 |