Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11027159 | Water curtain head for preventing fire spread between floors in curtain wall building | Dongjoon Kim, Hongsun Ryou | 2021-06-08 |
| 10785860 | Double-frequency power-driven inductively coupled plasma torch, and apparatus for generating nanoparticle using same | Hee-Chang Park, Dong Won Yun, Jun Ho Seo, Mi Yeon Lee, Jeong Soo Kim | 2020-09-22 |