Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9874637 | Illumination optical system and 3D image acquisition apparatus including the same | Yong-hwa Park, Alexander Shirankov, Jang-woo YOU | 2018-01-23 |
| 7777966 | Compact zoom lens | Aleksander Shirankov, Stanislav Aleksandrovich SHTYKOV, Aleksej Anikanov | 2010-08-17 |
| 6992837 | Hybrid lens and projection optical system including the same | Seok-il Yoon, Gyu-hwan Hwang, Alexandr F. Shirankov, Vadim Pozdnyakov, Alexey Khorokhorov | 2006-01-31 |