Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12280641 | Outer belt integrated door for vehicle | Je Won Choi | 2025-04-22 |
| 12024626 | Thermoplastic copolymer composition and molded article manufactured using the same | Sung Moon Choi, Hyung Min Ahn, Kyu-Young Kim, Moo Song SEO, Jung Woo Kim +1 more | 2024-07-02 |
| 11267933 | Method of preparing poly(ether ester) copolymer | Jeongnam KIM, Hyungmin Ahn, Sung Hyun Park, Myung Han Lee, Jeongyong Lee | 2022-03-08 |
| 10701944 | Method of producing frozen dough for bread containing filling and method of producing cream-filled bread by employing the frozen dough | Jung H. Woo, Hong Shin Jeon, Young Kyu Lee | 2020-07-07 |
| 10336170 | Variable belt molding structure for vehicle door | Eui Chan Cho | 2019-07-02 |
| 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, 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, Jun Han Kang, Hyun Seok Nam +1 more | 2017-10-10 |
| 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, Hyun Seok Nam +1 more | 2017-08-08 |
| 9592496 | Catalyst composition and method for preparing same | Dong Hyun Ko, Sung-June Cho, Jun Han Kang, Kyong Yong Cha, Joo Hyuck Lee +6 more | 2017-03-14 |
| 9492813 | Method for regenerating hydrogenation catalyst | Sung Shik Eom, Dong Hyun Ko, Moo Ho Hong, O Hak Kwon | 2016-11-15 |
| 9270867 | Image compensation device, image processing apparatus and methods thereof | Kyeong-man Kim, Hyun Cheol KIM, Min-ki Cho, Hyun-soo Oh, Eun-ah Song +2 more | 2016-02-23 |
| 9199895 | Method for preparing 1,3-butadiene as high yield | Kyong Yong Cha, Dong Hyun Ko, Hyun Seok Nam, Dae Heung Choi | 2015-12-01 |
| 9181156 | Apparatus for producing alcohols from olefins | Dong Hyun Ko, Sung Shik Eom, Yong-Jin Choe, Chan-Hong Lee, Moo Ho Hong +2 more | 2015-11-10 |
| 9029608 | Apparatus for coproducting ISO type reaction products and alcohols from olefins, and method for coproducting them using the apparatus | Dong Hyun Ko, Moo Ho Hong, Sung Shik Eom, Yong-Jin Choe, O-Hak Kwon +1 more | 2015-05-12 |
| 8884071 | Hydroformylation method having improved catalyst stability in reaction | Dong Hyun Ko, Sung Shik Eom, Moo Ho Hong, O-Hak Kwon, Jae-Hui Choi | 2014-11-11 |
| 8849025 | Color conversion apparatus and method thereof | Kyeong-man Kim, Hyun Cheol KIM, In-ho Park, Jae Min Shin, Heui-keun Cho +2 more | 2014-09-30 |
| 8791304 | Apparatus for coproducting iso type reaction products and alcohols from olefins, and method for coproducting them using the apparatus | Dong Hyun Ko, Moo Ho Hong, Sung Shik Eom, Yong-Jin Choe, O-Hak Kwon +1 more | 2014-07-29 |
| 8673244 | Apparatus for producing alcohols from olefins | Dong Hyun Ko, Sung Shik Eom, Yong-Jin Choe, Chan-Hong Lee, Moo Ho Hong +2 more | 2014-03-18 |
| 8426651 | Catalyst composition for hydroformylation and method for producing aldehyde using the same | Jae-Hui Choi, Dong Hyun Ko, Sung Shik Eom, Moo Ho Hong, O Hark Kwon | 2013-04-23 |
| 7939694 | Method for the hydroformylation of olefins and apparatus using the same | Moo Ho Hong, Dong Hyun Ko, Sang-Oeb Na, Sung Shik Eom, Sang Gi Lee +2 more | 2011-05-10 |
| 6840972 | Multi cyclone vacuum cleaner | — | 2005-01-11 |
| 5962287 | Process for producing erythritol using mutant Trichosporonoides | Seung-Hyun Suh, Young-Je Cho, Yeang Joong Jeon, Jae-heung Lee | 1999-10-05 |
| 5939311 | Mutant trichosporonoides and a process for producing erythritol using the said microorganism | Seung-Hyun Suh, Young-Je Cho, Yeang Joong Jeon, Jae-heung Lee | 1999-08-17 |