Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12370517 | Catalyst loading method and method for preparation of butadiene by using same | Ye Seul Hwang, Daeheung Choi, Myungji Suh, Dong Hyun Ko, Kyong Yong Cha +1 more | 2025-07-29 |
| 12132154 | Semiconductor light emitting device | Dongkuk Lee, Daesup Kim, Dongmyung Shin, Wooseok Jang | 2024-10-29 |
| 11918988 | Method for producing catalyst for oxidative dehydrogenation reaction, catalyst for oxidative dehydrogenation reaction, and method for producing butadiene using same | Jun Han, San Jin Han, Dong Hyun Ko, Kyoung Yong Cha | 2024-03-05 |
| 11865522 | Method for preparing zinc ferrite-based catalyst and zinc ferrite-based catalyst prepared thereby | Sang Jin Han, Dong Hyun Ko, Kyong Yong Cha, Ye Seul Hwang | 2024-01-09 |
| 11858874 | Method for preparing alpha-methylstyrene | Jaekwon Jeoung, Dong Hyun Ko, Jun Han Kang, Sang Jin Han | 2024-01-02 |
| 11731093 | Catalyst loading method and method for preparation of butadiene by using same | Ye Seul Hwang, Daeheung Choi, Myungji Suh, Dong Hyun Ko, Kyong Yong Cha +1 more | 2023-08-22 |
| 11700795 | Light emitting device and light apparatus for plant growth | Dongkuk Lee, Kunyoo Ko, Daesup Kim, Jaechul Kim | 2023-07-18 |
| 11465138 | Method for producing metal complex catalyst, and metal complex catalyst produced by same | Kyong Yong Cha, Dong Hyun Ko, Ye Seul Hwang, Jun Han, Sang Jin Han +1 more | 2022-10-11 |
| 11370730 | Method for preparing 1,3-butadiene | Hyunseok Nam, Jun Han Kang, Kyong Yong Cha, Jaewon Jeong, Dong Hyun Ko +8 more | 2022-06-28 |
| 11040335 | Method for manufacturing zinc ferrite catalyst and zinc ferrite catalyst manufactured thereby | Jun Han, Dong Hyun Ko, Kyong Yong Cha, Sang Jin Han, Seongmin Kim | 2021-06-22 |