Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9650975 | Method and controller of exhaust gas recirculation to protect valve stick | — | 2017-05-16 |
| 8462082 | Driving method for high efficiency mercury-free flat light source structure, and flat light source apparatus | Ki-Woong Whang | 2013-06-11 |
| 7781976 | High efficiency mercury-free flat light source structure, flat light source apparatus and driving method thereof | Ki-Woong Whang | 2010-08-24 |