Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9163805 | LED lens and LED module for two-sided lighting, and LED two-sided lighting apparatus using same | Joo-hun Han, Je Myung Park, Hyun Do Park, Yong Keun Jee, Do Hyeon Lee +4 more | 2015-10-20 |
| 8816601 | System for manufacturing power supply unit and method for manufacturing supply unit, and flicker measurement apparatus | Jin-Sung Kim, Kyu Cheol Kang, Jin Woo Bae, Jong-yang Choo | 2014-08-26 |
| 8779755 | Apparatus for testing power supply units based on light emitting diode flickers | Jin-Sung Kim, Kyu Cheol Kang, Jin Woo Bae, Jong-yang Choo | 2014-07-15 |
| 8641231 | Light diffusion lenses and lighting fixtures having the same | Tetsuo Ariyoshi, Byeong-hyeon Yu | 2014-02-04 |
| 8581500 | System for manufacturing power supply unit and method for manufacturing power supply unit, and flicker measurement apparatus | Jin-Sung Kim, Kyu Cheol Kang, Jin Woo Bae, Jong-yang Choo | 2013-11-12 |
| 7740366 | Two-sided illumination LED lens and LED module and LED two-sided illumination system using the same | Ariyoshi Tetsuo | 2010-06-22 |
| 7628527 | Back light unit having light guide buffer plate | Do Hun Kim, Myoung Soo Choi, Seog Ho Lim, Sung Min Yang | 2009-12-08 |