Issued Patents 2020
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10843173 | Ferrite catalyst for oxidative dehydrogenation, method of preparing ferrite catalyst, and method of preparing butadiene using ferrite catalyst | Sun-Hwan Hwang, Dong Hyun Ko, Jun Han Kang, Kyong Yong Cha, Joo Hyuck Lee +6 more | 2020-11-24 |
| 10738598 | System and method for transmitting signals downhole | Sheng Zhan, Fengtao Hu, Jinhai Zhao | 2020-08-11 |
| 10730809 | Butadiene preparation method providing excellent catalyst reproducibility | Myung Ji Suh, Dong Hyun Ko, Jun Han Kang, Kyong Yong Cha, Ye Seul Hwang +1 more | 2020-08-04 |
| 10591226 | Heat transfer device | Jae Hun Seol, Hyun-Woo Kim, Myung Ill You | 2020-03-17 |
| 10543478 | Catalyst for oxidative dehydrogenation and method of preparing the same | Kyong Yong Cha, Myung Ji Suh, Dong Hyun Ko, Dae Heung Choi, Ye Seul Hwang +2 more | 2020-01-28 |