Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10131850 | Naphtha and methanol mixed catalytic cracking reaction process | Na Young Kang, Yong Ki Park, Won Choon Choi, Dae Jin Kim, Hwi Min Seo +2 more | 2018-11-20 |
| 9290480 | Quinazoline-2,4-dione derivative, and medical compositions for the prophylaxis and treatment of cranial nerve disease containing the same | Il Hwan Cho, Eun Bang Lee, Won Seok Kim, Chul Kyu Lee | 2016-03-22 |
| 8404696 | Quinazoline-2,4-dione derivative, and medical compositions for the prophylaxis and treatment of cranial nerve disease containing the same | Hwan Chul Cho, Eun Bang Lee, Won Seok Kim, Chul Kyu Lee | 2013-03-26 |
| 6852361 | Method of on-line coating of a film on the inner walls of the reaction tubes in a hydrocarbon pyrolysis reactor | Ahn Choi, Dong Hyun Cho, Sun Choi | 2005-02-08 |
| 6514563 | Method of on-line coating film on the inner walls of the reaction tubes in a hydrocarbon pyrolysis reactor | Ahn Choi, Dong Hyun Cho, Sun Choi | 2003-02-04 |