Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11696387 | Plasma generating device | Yeon Sook Chang | 2023-07-04 |
| 11664204 | Plasma device having exchangeable handpiece | Yeon Sook Chang | 2023-05-30 |
| 11508559 | Portable plasma device | Yeon Sook Chang | 2022-11-22 |
| D935022 | Portable plasma generator | Yeon Sook Chang | 2021-11-02 |
| 9434620 | Method for producing foam-shaped graphene structure by boiling, and foam-shaped graphene structure using same | Ho Seon Ahn, Ji Wook Jang, Jae Sung Lee | 2016-09-06 |
| 9346031 | Sodium-nano liquid reactivity experiment apparatus | Ho Seon Ahn, Gunyeop Park, Soojae Kim | 2016-05-24 |
| 7624588 | Hybrid absorption chiller | Jae Dal Lee | 2009-12-01 |
| 7168851 | Apparatus and method for measuring heat dissipation | Jeong Seob Shin | 2007-01-30 |
| 6644389 | Fin tube heat exchanger | Hie Chan KANG | 2003-11-11 |