Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12334933 | Power management integrated circuit | Jin-Gyu Kang, Jeong Woon Kong, Yong Seong Roh | 2025-06-17 |
| 12169417 | Power management integrated circuit | Jeong Woon Kong | 2024-12-17 |
| 11598797 | Duty timing detector for detecting duty timing of toggle signal, device including the duty timing detector, and method of operating toggle signal receiving device | — | 2023-03-07 |
| 11420924 | Method for purifying organic acids | Kyung Moo Lee, Yukyung Lim | 2022-08-23 |
| 11084771 | Method for purifying phenol | Young-Ho Lee, Ki-Yong Yoon, Jun Hyuk LIM, Kyung Moo Lee | 2021-08-10 |
| 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 |
| 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 |
| 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, Jun Han Kang, Dong Hyun Ko, Seong-Min Kim, 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, Jun Han Kang, Dong Hyun Ko, 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, Jun Han Kang, Kyong Yong Cha, Dae Chul Kim +5 more | 2018-03-27 |
| 9845275 | Method for preparing polyaromatic oxide and polyaromatic oxide prepared thereby | Ji Eun Kim, Won Jae Lee, Yong-Jin Choe, Won Jong Kwon, Kwon Nam Sohn | 2017-12-19 |
| 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, Jun Han Kang, Dae Chul Kim +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, Jun Han Kang, Kyong Yong Cha, Dae Chul Kim +1 more | 2017-08-08 |
| 9624150 | Method of preparing alkanol | Jin-Soo Kim, Yong-Jin Choe, Sun-hyuk Choi | 2017-04-18 |
| 9592496 | Catalyst composition and method for preparing same | Dae Chul Kim, Dong Hyun Ko, Sung-June Cho, Jun Han Kang, Kyong Yong Cha +6 more | 2017-03-14 |
| 9546124 | Method for producing acrylic acid from glycerol | Won Jae Lee, Yong-Jin Choe, Myungjin Kong | 2017-01-17 |
| 9487460 | Method for producing allyl alcohol and allyl alcohol produced thereby | Won Jae Lee, Myungjin Kong, Yong-Jin Choe | 2016-11-08 |
| 9199895 | Method for preparing 1,3-butadiene as high yield | Kyong Yong Cha, Dong Hyun Ko, Dae Chul Kim, Dae Heung Choi | 2015-12-01 |
| 9120718 | Method for preparing allyl alcohol | Dae Sung Kim, Won Jae Lee, Myungjin Kong, Yong-Jin Choe | 2015-09-01 |
| 9018915 | Battery protection circuit and method of controlling the same | Jong-Woon Yang | 2015-04-28 |
| 8968884 | Compound and organic light emitting device using the same | Sung Kil Hong, Wook Dong Cho, Jae-Soon Bae, Ji Eun Kim, Jun-Gi Jang +3 more | 2015-03-03 |