Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE50440 | Organic light emitting display device | Ki-Woog Song, Chang Wook Han, Hong-Seok Choi, Sung-Hoon Pieh, Jeong-Dae Seo +1 more | 2025-05-20 |
| 11005061 | Organic light emitting display device | Ki-Woog Song, Chang Wook Han, Hong-Seok Choi, Sung-Hoon Pieh, Jeong-Dae Seo +1 more | 2021-05-11 |
| 10157966 | Organic light emitting display device | Youn-Seok Kam, Chang Wook Han, Hong-Seok Choi, Sung-Hoon Pieh, Ki-Woog Song | 2018-12-18 |
| 9431626 | Organic light emitting display device | Youn-Seok Kam, Chang Wook Han, Hong-Seok Choi, Sung-Hoon Pieh, Ki-Woog Song | 2016-08-30 |
| 9184405 | Organic light emitting display device | Ki-Woog Song, Sung-Hoon Pieh, Youn-Seok Kam, Dong Hyuk Kim, Seon-Keun YOO +1 more | 2015-11-10 |