Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10293067 | Two-sided, surface light source device using LED | — | 2019-05-21 |
| 10292220 | Light emitting device for AC power operation | Chung Hoon Lee, James S. Speck, Hong San Kim, Sung Han Kim, Jae Ho Lee | 2019-05-14 |
| 10173909 | Tubular fluid purification apparatus | — | 2019-01-08 |
| 9506623 | Surface light-emitting UV LED lamp and manufacturing method thereof | Sun-Woong Shin | 2016-11-29 |
| 9445462 | Light emitting device for AC power operation | Chung Hoon Lee, James S. Speck, Hong San Kim, Sung Han Kim, Jae Ho Lee | 2016-09-13 |
| 9351355 | Illumination system having color temperature control and method for controlling the same | — | 2016-05-24 |
| 9041037 | Ultraviolet light emitting diode package | Jeong Suk Bae, Do Hyung Kim, Dae Sung Kal | 2015-05-26 |
| 9030110 | Light emitting device for AC power operation | Chung Hoon Lee, James S. Speck, Hong San Kim, Sung Han Kim, Jae Ho Lee | 2015-05-12 |
| 8887521 | Air conditioner for automobile | Jin Hyuck Kim, Sung Je Lee, Yong Jun Jee, Sang Chul Byon, Nam Jun Lee +1 more | 2014-11-18 |
| 8866417 | Light emitting device for AC power operation | Chung Hoon Lee, James S. Speck, Hong San Kim, Sung Han Kim, Jae Ho Lee | 2014-10-21 |
| 8860331 | Light emitting device for AC power operation | Chung Hoon Lee, James S. Speck, Hong San Kim, Sung Han Kim, Jae Ho Lee | 2014-10-14 |
| 8716946 | Light emitting device for AC power operation | Chung Hoon Lee, James S. Speck, Hong San Kim, Sung Han Kim, Jae Ho Lee | 2014-05-06 |
| 8575637 | Ultraviolet light emitting diode package | Jeong Suk Bae, Do Hyung Kim, Dae Sung Kal | 2013-11-05 |
| 8395332 | Light emitting device for AC power operation | Chung Hoon Lee, James S. Speck, Hong San Kim, Sung Han Kim, Jae Ho Lee | 2013-03-12 |
| 8282238 | Light emitting apparatus including independently driven light emitting portions | — | 2012-10-09 |
| 8188687 | Light emitting device for AC power operation | Chung Hoon Lee, James S. Speck, Hong San Kim, Sung Han Kim, Jae Ho Lee | 2012-05-29 |
| 8067778 | Ultraviolet light emitting diode package | Jeong Suk Bae, Do Hyung Kim, Dae Sung Kal | 2011-11-29 |