Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11032900 | Plasma torch with structure capable of performing reversed polarity/straight polarity operation | Sang-Woon Shin, Cheon-Woo Kim, Young Hwan Hwang, Seokju Hwang | 2021-06-08 |
| 10914523 | Plasma furnace having lateral discharge gates | Cheon-Woo Kim, Sang-Woo Lee, Sang-Woon Shin | 2021-02-09 |