Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7809786 | Apparatus and method for remotely controlling household appliances | Sang Chul Yoon, Duck Jeon | 2010-10-05 |
| 6956461 | Apparatus and method for remotely controlling household appliances | Sang Chul Yoon, Duck Jeon | 2005-10-18 |
| 6507167 | Power factor compensation device for motor driving inverter system | Jong Ho Kim, Keon Sim, Hyung-Sang Lee, Dong-Hyuk Lee | 2003-01-14 |
| 6281658 | Power factor compensation device for motor driving inverter system | Jong Ho Kim, Keon Sim, Hyung-Sang Lee, Dong-Hyuk Lee | 2001-08-28 |
| 5208432 | Magnetron driving power supply circuit | — | 1993-05-04 |