Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9715084 | Photographic lens optical system | Jong Jin Lee, Chan Goo Kang | 2017-07-25 |
| 9549108 | Photographic lens optical system | Jae Hoon Cho, Chi Ho Ahn, Ji Eun Kim, Se Jin Kim | 2017-01-17 |