Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9954966 | Method and apparatus for disaster notification | Woo-Hyuk Jang, Jae Hyun Park, Hey-Young Park, Jong-Kyu Bae, Yeo Rok YOON +3 more | 2018-04-24 |
| 7960496 | Method for preparing polymer polyol stabilizer using maleic anhydride, and polymer polyol stabilizer prepared thereby | Jang Hyun Choi, Seung Moo Huh, Jeon Koo Lee | 2011-06-14 |