Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10878649 | Access control system and access control method using the same | — | 2020-12-29 |
| 10755500 | Access control system and access control method using the same | In Sik Baek, Jong Keun Lee, Jung Young Kim, Seong Bin CHOI, Jae Won Lee | 2020-08-25 |
| 10755503 | Method and system for managing door access using beacon signal | Seong Bin CHOI, Jae Won Lee | 2020-08-25 |
| 10597581 | Color conversion film, production method for same, and backlight unit and display device comprising same | Nari Kim, Sehwan Son, Ji Ho Kim, Joo Yeon Seo, Byeong-In Ahn +1 more | 2020-03-24 |