Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D994744 | Optical lens | Sang Do Kang, Seung Keun Oh | 2023-08-08 |
| 11400669 | Method of manufacturing optical multiplexer and optical multiplexer manufactured thereby | Sang Do Kang, Seung Keun Oh, Chang Hoon RYU | 2022-08-02 |
| D918981 | Optical element for optical communication | Sang Do Kang, Seung Keun Oh, Hun Chul KIM | 2021-05-11 |
| D908759 | Optical element for optical communication | Sang Do Kang, Seung Keun Oh, Hun Chul KIM | 2021-01-26 |