Issued Patents 2021
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11157577 | Method for searching and device thereof | Woo-shik Kang, Won Keun Kong, Ga-hyun JOO | 2021-10-26 |
| 11091570 | Method for preparing vinyl chloride-based polymer | Joong Chul Lim, Hyun Kyou Ha, Yang Jun Jeon | 2021-08-17 |
| 11080350 | Method for searching and device thereof | Woo-shik Kang, Won Keun Kong, Ga-hyun JOO | 2021-08-03 |
| 11024070 | Device and method of managing user information based on image | Ji-In Nam | 2021-06-01 |
| 10889668 | Method for preparing vinyl chloride-based polymer, and vinyl chloride-based polymer prepared thereby | Yang Jun Jeon, Hyun Kyou Ha, Joong Chul Lim, Jin Hyuck Ju | 2021-01-12 |