Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6774567 | Microwave oven | Dae-Sung Han, Yong-Woon Han, Han-Seong Kang, Kwang-seok Kang | 2004-08-10 |
| 6759638 | Microwave oven having a projecting door and cooking cavity | Dae-Sung Han, Yong-Woon Han, Han-Seong Kang, Joo-Yong Yeo | 2004-07-06 |
| 6750434 | Microwave oven | Dae-Sung Han, Yong-Woon Han, Han-Seong Kang, Joo-Yong Yeo | 2004-06-15 |
| 6744209 | Microwave oven | Dae-Sung Han, Yong-Woon Han, Han-Seong Kang, Kwang-seok Kang | 2004-06-01 |
| 6713965 | Microwave oven | Dae-Sung Han, Yong-Woon Han, Han-Seong Kang, Kwang-seok Kang | 2004-03-30 |
| 6664523 | Microwave oven capable of preventing overcurrent of a microswitch for controlling a DC power source | Chul Kim, Yong-Woon Han, Han-jun Sung | 2003-12-16 |
| 6521875 | Microwave oven having a conducting member for controlling the supply of electrical power | Chul Kim, Yong-Woon Han, Han-jun Sung | 2003-02-18 |
| 6508679 | Power connector for DC microwave oven | Yong-Woon Han, Kwang-seok Kang, Dae-Sung Han, Jin Ho Kim, Han-seong Yoo +1 more | 2003-01-21 |
| 6490780 | Method for making a commutator | Chul Kim, Yong-Woon Han, Han-jun Sung | 2002-12-10 |
| 6414287 | Parts arrangement structure for DC microwave oven | Yong-Woon Han, Kwang-seok Kang, Dae-Sung Han, Jin Ho Kim, Han-seong Yoo +1 more | 2002-07-02 |
| 6399931 | Microwave oven with door safety switch device | Kwang-seok Kang | 2002-06-04 |
| 6392212 | Microwave oven | Yong-Woon Han, Kwang-seok Kang, Han-jun Sung | 2002-05-21 |
| 6373038 | Microwave oven having a rotating tray support | Yong-Woon Han, Kwang-seok Kang, Dae-Sung Han, Jin Ho Kim, Han-seong Yoo +1 more | 2002-04-16 |
| 6313450 | Microwave oven capable of supplying AC power | Yong-Woon Han, Kwang-seok Kang, Han-jun Sung | 2001-11-06 |
| 6310405 | Non-directional frequency generator spark prevention apparatus | Yong-Woon Han, Kwang-seok Kang, Han-jun Sung | 2001-10-30 |
| 6252214 | Microwave oven with tray restraint | Yong-Woon Han, Kwang-seok Kang, Han-jun Sung | 2001-06-26 |
| 6222169 | Surge-resistant magnetron circuit for use with DC power source | Yong-Woon Han, Kwang-seok Kang, Han-jun Sung | 2001-04-24 |
| 6169682 | Non-directional frequency generator spark removal circuit | Yong-Woon Han, Kwang-seok Kang, Han-jun Sung | 2001-01-02 |
| 6166936 | Non-directional frequency generator | Yong-Woon Han, Kwang-seok Kang, Han-jun Sung | 2000-12-26 |
| 6153869 | AC/DC type microwave oven | Chul Kim, Yong-Woon Han, Han-jun Sung | 2000-11-28 |
| 6153870 | AC/DC type microwave oven | Chul Kim, Yong-Woon Han, Han-jun Sung | 2000-11-28 |
| 6081082 | Rotatable inverter | Chul Kim, Yong-Woon Han, Han-jun Sung | 2000-06-27 |