Issued Patents All Time
Showing 51–58 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6169682 | Non-directional frequency generator spark removal circuit | Yong-Woon Han, Seong-Deog Jang, Kwang-seok Kang | 2001-01-02 |
| 6166936 | Non-directional frequency generator | Yong-Woon Han, Seong-Deog Jang, Kwang-seok Kang | 2000-12-26 |
| 6153869 | AC/DC type microwave oven | Chul Kim, Yong-Woon Han, Seong-Deog Jang | 2000-11-28 |
| 6153870 | AC/DC type microwave oven | Chul Kim, Yong-Woon Han, Seong-Deog Jang | 2000-11-28 |
| 6081082 | Rotatable inverter | Chul Kim, Yong-Woon Han, Seong-Deog Jang | 2000-06-27 |
| 5998775 | Microwave oven having a cooking chamber reflecting microwaves at varying angles | — | 1999-12-07 |
| 5951906 | Collapsible microwave oven | — | 1999-09-14 |
| 5824999 | Microwave leakage-preventing device for a microwave oven | Chul Kim, Yong-Woon Han, Seong-deok Jang | 1998-10-20 |