Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1044271 | Case for optical lenses | Sang Do Kang | 2024-10-01 |
| 11933944 | Microlens provided with opposite sides thereof each having aspheric-surface shape | Sang Do Kang | 2024-03-19 |
| D994744 | Optical lens | Sang Do Kang, Hyun Jong Kang | 2023-08-08 |
| 11614590 | Microlens array with first side thereof having aspheric-surface shapes | Sang Do Kang | 2023-03-28 |
| 11400669 | Method of manufacturing optical multiplexer and optical multiplexer manufactured thereby | Sang Do Kang, Hyun Jong Kang, Chang Hoon RYU | 2022-08-02 |
| 11309345 | Protective film composition and method of manufacturing semiconductor package by using the same | Myoung-chul Eum, Hye-Kyoung Lee, Chang-kun Kang, Jae-Hyun Kim, Kyeong-il Oh +1 more | 2022-04-19 |
| D918981 | Optical element for optical communication | Sang Do Kang, Hun Chul KIM, Hyun Jong Kang | 2021-05-11 |
| D908759 | Optical element for optical communication | Sang Do Kang, Hun Chul KIM, Hyun Jong Kang | 2021-01-26 |
| 10854666 | Protective film composition and method of manufacturing semiconductor package by using the same | Myoung-chul Eum, Hye-Kyoung Lee, Chang-kun Kang, Jae-Hyun Kim, Kyeong-il Oh +1 more | 2020-12-01 |