Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11694827 | Light-colored magnetic particles having improved durability and chemical resistance | Hong Keon Kim, Su-dong Kim, Hyun-Soo Kim, E Den Kim, Hye Jun Choi +1 more | 2023-07-04 |
| 11590792 | Security device using light reflection property | Su-dong Kim, Hong Keon Kim, Hyun-Soo Kim, E Den Kim, Hye Jun Choi | 2023-02-28 |
| 11541680 | Photonic crystal film, method for manufacturing same, and anti-forgery article comprising same | Shin-Hyun Kim, Gun Ho Lee, Soo Dong Kim, Ju Hee Kang, Hong Keon Kim +2 more | 2023-01-03 |