Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7626835 | Plasma lighting system and control method thereof | Joon-Sik Choi | 2009-12-01 |
| 7521852 | Electrodeless lighting system | Joon-Sik Choi, Yong-Seog Jeon, Byeong-Ju Park, Hyun Jung Kim, Ji-Young Lee +3 more | 2009-04-21 |
| 7321204 | Bulb structure and manufacturing method of electrodeless lighting system | Byeong-Ju Park, Joon-Sik Choi, Yong-Seog Jeon, Hyun Jung Kim, Ji-Young Lee +3 more | 2008-01-22 |
| 7276860 | Electrodeless lighting system | Joon-Sik Choi, Yong-Seog Jeon, Byeong-Ju Park, Hyun Jung Kim, Ji-Young Lee | 2007-10-02 |
| 7161304 | Electrodeless lighting system | Ji-Young Lee, Joon-Sik Choi, Yong-Seog Jeon, Byeong-Ju Park, Hyun Jung Kim | 2007-01-09 |
| 7161303 | Plasma lighting system and bulb therefor | Byeong-Ju Park, Joon-Sik Choi, Yong-Seog Jeon, Hyun Jung Kim, Ji-Young Lee | 2007-01-09 |
| 7129639 | Middle output electrodeless lighting system | Hyun Jung Kim, Joon-Sik Choi, Yong-Seog Jeon, Seung-Yeup Hyun, Byeong-Ju Park +3 more | 2006-10-31 |
| 7126282 | Electrodeless lighting system | Joon-Sik Choi, Ji-Young Lee, Hyun Jung Kim, Yong-Seog Jeon, Seung-Yeup Hyun +3 more | 2006-10-24 |
| 7102276 | Resonator of electrodeless lighting system | Ji-Young Lee, Hyun Jung Kim, Joon-Sik Choi, Yong-Seog Jeon, Byeong-Ju Park | 2006-09-05 |
| 7026590 | Low-output microwave, lighting system and flicker removing method using the same | Ji-Young Lee, Yong-Seog Jeon, Hyun Jung Kim, Joon-Sik Choi, Byeong-Ju Park | 2006-04-11 |
| 6959559 | Temperature control method for refrigerator | Young-Sok Nam, Seong Ho Cho, Jay-Ho Choi | 2005-11-01 |
| 6870295 | Oscillating motor and motor control apparatus and method | Jun Young Lim | 2005-03-22 |
| 6865899 | Refrigerator and method of controlling the same | Young-Sok Nam, Seong Ho Cho, Jay-Ho Choi | 2005-03-15 |
| 6684016 | Optical fiber for wavelength division multiplexing optical transmission system using densely spaced optical channels | Dae Weon Kim, Kwon-moo Lee, Dong-Wook Lee, Dong Young Kim | 2004-01-27 |
| 6411060 | Driving device for switched reluctance motor and method therefor | — | 2002-06-25 |