Issued Patents All Time
Showing 25 most recent of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12214775 | Road surface recognition apparatus, vehicle having the same, and method of controlling vehicle | Ik Jin Um, Jungho Park, Man Dong Kim, Chung Choo Chung, Seung-Hi Lee +2 more | 2025-02-04 |
| 11858874 | Method for preparing alpha-methylstyrene | Jaekwon Jeoung, Dong Hyun Ko, Sunhwan Hwang, Sang Jin Han | 2024-01-02 |
| 11446622 | Socket-type fluid distributor | Joo Young Cheon, Dong Hyun Ko, Sang Jin Han, Hyun-Jin Cho, Jae Kwon Jeoung | 2022-09-20 |
| 11447435 | Method for producing butadiene | Myungji Suh, Kyong Yong Cha, Dong Hyun Ko | 2022-09-20 |
| 11370730 | Method for preparing 1,3-butadiene | Hyunseok Nam, Kyong Yong Cha, Jaewon Jeong, Dong Hyun Ko, Jun Han +8 more | 2022-06-28 |
| 10994262 | Catalyst for oxidative dehydrogenation and method of preparing the same | Seongmin Kim, Dong Hyun Ko, Kyong Yong Cha, Dae Heung Choi, Myung Ji Suh +6 more | 2021-05-04 |
| 10946364 | Catalyst system for oxidative dehydrogenation, reactor for oxidative dehydrogenation including catalyst system, and method of performing oxidative dehydrogenation using reactor | Myungji Suh, Dong Hyun Ko, Hyunseok Nam, Sang Jin Han, Seongmin Kim | 2021-03-16 |
| 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, Kyong Yong Cha, Joo Hyuck Lee, Hyun Seok Nam +6 more | 2020-11-24 |
| 10730809 | Butadiene preparation method providing excellent catalyst reproducibility | Myung Ji Suh, Dong Hyun Ko, Kyong Yong Cha, Ye Seul Hwang, Jun Han +1 more | 2020-08-04 |
| 10518250 | Ferrite-based catalyst composite, method of preparing the same, and method of preparing butadiene using the same | Dae Heung Choi, Dong Hyun Ko, Kyong Yong Cha, Myung Ji Suh, Ye Seul Hwang +6 more | 2019-12-31 |
| 10486150 | Catalyst for oxidative dehydrogenation and method of preparing the same | Sun-Hwan Hwang, Dong Hyun Ko, Kyong Yong Cha, Dae Heung Choi, Myung Ji Suh +6 more | 2019-11-26 |
| 10343958 | Catalyst for coating surface of porous material and method of treating surface of porous material | Myung Ji Suh, Dong Hyun Ko, Seong-Min Kim, Hyun Seok Nam, Joo Hyuck Lee +6 more | 2019-07-09 |
| 10315969 | Method of preparing multicomponent composite metal oxide catalyst | Ye Seul Hwang, Dong Hyun Ko, Kyong Yong Cha, Dae Heung Choi, Myung Ji Suh +4 more | 2019-06-11 |
| 9969661 | Method of preparing conjugated diene and device therefor | Sang Jin Han, Dong Hyun Ko, Hyun Seok Nam, Joo Hyuck Lee, Jun Han +4 more | 2018-05-15 |
| 9925525 | Bismuth molybdate-based catalyst having zeolite coating layer, method of preparing the same, and method of preparing 1,3-butadiene using the same | Dae Heung Choi, Dong Hyun Ko, Kyong Yong Cha, Dae Chul Kim, Joo Hyuck Lee +5 more | 2018-03-27 |
| 9782765 | Mesoporous composite oxide catalyst, method for preparing the same and method for synthesizing 1,3-butadiene using the same | Myung Ji Suh, Dong Hyun Ko, Kyong Yong Cha, Dae Chul Kim, Hyun Seok Nam +1 more | 2017-10-10 |
| 9751819 | Method of preparing butadiene | Dae Heung Choi, Dong Hyun Ko, Myung Ji Suh, Kyong Yong Cha, Ye Seul Hwang +4 more | 2017-09-05 |
| 9724676 | Oxidation catalyst for production of butadiene and method of preparing the same | Dae Heung Choi, Dong Hyun Ko, Kyong Yong Cha, Dae Chul Kim, Hyun Seok Nam +1 more | 2017-08-08 |
| 9592496 | Catalyst composition and method for preparing same | Dae Chul Kim, Dong Hyun Ko, Sung-June Cho, Kyong Yong Cha, Joo Hyuck Lee +6 more | 2017-03-14 |
| 8673808 | Catalyst for hydrocarbon steam cracking, method of preparing the same and method of preparing olefin by using the same | Jonghun Song, Junseon Choi | 2014-03-18 |
| 8674158 | Catalyst for hydrocarbon steam cracking, method of preparing the same and method of preparing olefin by using the same | Jonghun Song, Junseon Choi | 2014-03-18 |
| 8569200 | Catalyst for hydrocarbon steam cracking, method of preparing the same and method of preparing olefin by using the same | Jong Hun Song, Jun Seon Choi, Byoung-gi Park, Chang-hoon Kang, Si-hyun Noh | 2013-10-29 |
| 8492305 | Catalyst for hydrocarbon steam cracking, method of preparing the same and method of preparing olefin by using the same | Jong Hun Song, Jun Seon Choi, Byoung-gi Park, Chang-hoon Kang, Si-hyun Noh | 2013-07-23 |
| 8481451 | Catalyst for hydrocarbon steam cracking, method of preparing the same and method of preparing olefin by using the same | Jonghun Song, Junseon Choi | 2013-07-09 |
| 8242047 | Oxide catalyst and phosphoric oxide catalyst for hydrocarbon steam cracking, method for preparing the same and method for preparing olefin by using the same | Jun Seon Choi, Jong Hun Song, Byoung-gi Park, Chang-hoon Kang, Si-hyun Noh | 2012-08-14 |