Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11939262 | Method for manufacturing coal-based geopolymer foam including silica fume | Hyo Joon Kim, Jihoi Heo | 2024-03-26 |
| 10086294 | Game service method and system | — | 2018-10-02 |