Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12272470 | Alnico-based hard magnetic particle and method for manufacturing the same | Soo Dong Kim, Won Kyun CHOE, Sung Hyun Joo, Hyun-Soo Kim | 2025-04-08 |
| 12104295 | Security fabric having improved security and identification properties | Hyun Jun Kim, Il Hoon CHOI, Hyun Jin Oh | 2024-10-01 |
| 12023952 | Security item using intensity of fluorescent materials, and user identification system using same | Hyun Jun Kim, Il Hoon CHOI, Hyun Jin Oh | 2024-07-02 |
| 11694827 | Light-colored magnetic particles having improved durability and chemical resistance | Won Gyun Choe, Su-dong Kim, Hyun-Soo Kim, E Den Kim, Hye Jun Choi +1 more | 2023-07-04 |
| 11590792 | Security device using light reflection property | Won Gyun Choe, Su-dong 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, Won Gyun Choe, Soo Dong Kim, Ju Hee Kang +2 more | 2023-01-03 |