Issued Patents 2022
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11435557 | Optical imaging system including eight lenses of ++−+−+−− or ++−+−++− refractive powers | Yong Joo JO | 2022-09-06 |
| 11287619 | Converter optical system | — | 2022-03-29 |
| 11280983 | Optical imaging system | — | 2022-03-22 |
| 11226473 | Optical imaging system including eight lenses of +++−+−+−, −++−+++− or +−+−++−− refractive powers | Ju Hwa SON, Yong Joo JO | 2022-01-18 |