Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11004075 | Device and method for performing payment using utterance | Yong-Seok Park, Dong-Ho Jang | 2021-05-11 |
| 10954420 | Curable modified petroleum resin, and preparation method and use thereof | Jae Kyung Hwang, Wan Jae Lee, Myung Jong Kim, Won Seok Gong, Jun Hyo Park | 2021-03-23 |