Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11512153 | Method of preparing aromatic vinyl compound-vinyl cyanide compound polymer and apparatus for preparing the same | Jeong A Hwang, Sungkeun Jang, Eun Jung Joo, Won Kyun Lee | 2022-11-29 |
| 11267906 | Method of preparing aromatic vinyl compound-vinyl cyanide compound polymer and apparatus for preparing the same | Jeong A Hwang, Eun Jung Joo, Won Kyun Lee, Sungkeun Jang | 2022-03-08 |
| 8677807 | Micro viscometer | Sungjoon Choi, Kangwon Lee, Joo Young Oh, Young Taek Cha | 2014-03-25 |
| 8667831 | Micro viscometer | Sungjoon Choi, Kangwon Lee, Joo Young Oh, Young Taek Cha | 2014-03-11 |
| 8544316 | Micro viscometer | Sungjoon Choi, Kangwon Lee | 2013-10-01 |