Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11119297 | Small wide-angle lens system having six lenses of −+−++− or ++−++− refractive powers | Soon Cheol Choi, Ki Youn Noh, Sung Nyun Kim | 2021-09-14 |
| 11099361 | Small lens system comprising five lenses of +—+ refractive powers | Soon Cheol Choi, Ki Youn Noh, Sung Nyun Kim | 2021-08-24 |
| 11036034 | Telephoto lens system | Soon Cheol Choi, Ki Youn Noh, Sung Nyun Kim | 2021-06-15 |
| 9244251 | Wide-angle photographic lens system enabling correction of distortion | Soon Chul Choi, Ki Youn Noh | 2016-01-26 |