Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11119709 | Changing operational state of image forming apparatus based on distance of sensed body | Hwi Kyeong An | 2021-09-14 |
| 11104022 | Unitary razor blade and shaving razor cartridge using same | Young Ho Park, Byung-sun Ahn | 2021-08-31 |
| 10923717 | Lithium ion secondary battery | Jong Hyun Chae, Jang-Bae Kim, Ji-Hye Yang | 2021-02-16 |