Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6457778 | Electro-power impact cell for plasma blasting | Kie Hyung Chung, Hyeok Jung Kwon, Chul Yeong Kim, Kyoung-Jae Chung | 2002-10-01 |
| 6455808 | Pulse power system | Kie Hyung Chung, Hyeok Jung Kwon, Chul Yeong Kim, Kyoung-Jae Chung | 2002-09-24 |
| 6327339 | Industrial x-ray/electron beam source using an electron accelerator | Kie Hyung Chung, Hyeok Jung Kwon, Sang-Ho Kim | 2001-12-04 |
| 6215091 | Plasma torch | Ki Hyung Chung | 2001-04-10 |
| 5527200 | Method for making a silicon field emission emitter | Cheon Kyu Lee | 1996-06-18 |
| 5401676 | Method for making a silicon field emission device | — | 1995-03-28 |