Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12258526 | Manufacturing method and manufacturing apparatus of syngas, and manufacturing method of liquid hydrocarbon using the same | Hee Jung Jeon, Dong Min Yun | 2025-03-25 |
| 12221582 | Method and apparatus for producing high value-added oil from waste plastic pyrolysis oil | Ka Young Kim, Young Moo Park, Hee Jung Jeon | 2025-02-11 |
| 12054683 | Method of producing lube base oil from middle distillate in pyrolysis oil derived from waste plastic | Hee Jung Jeon, Yeon Ho Kim, Seung Eon Lee, Seung Woo Lee, Yoon Kyung Lee +3 more | 2024-08-06 |
| 11905474 | Apparatus and method for refining waste plastic pyrolysis oil using a separator | Hee Jung Jeon, Ka Young Kim, Young Moo Park, Ho Won Lee | 2024-02-20 |
| 11814590 | Method of producing lubricating base oil from atmospheric residue in pyrolysis oil derived from waste plastic | Hee Jung Jeon, Seung Woo Lee, Yoon Kyung Lee, Ho Won Lee, Yeon Ho Kim +2 more | 2023-11-14 |
| 11814589 | Solvent composition prepared from waste oil and method of preparing the same | Do Kyoung Kim, Ka Young Kim, Jeong Eop Choi, Hee Soo Kim, Young Moo Park +3 more | 2023-11-14 |
| 10556797 | Catalyst for manufacturing multi-walled carbon nanotube and method of manufacturing multi-walled carbon nanotube using the same | Yong Tak Kwon | 2020-02-11 |
| 9919925 | Catalyst or production of multi-walled carbon nanotubes and method of producing multi-walled carbon nanotubes using the same | Hyun-Chul Choi, Yong Tak Kwon | 2018-03-20 |
| 9862611 | Method for producing carbon nanotubes | Ji Min Kim, Min Ji SUNG, Yong Tak Kwon, Sang-Uk Kim, Sung Real Son +1 more | 2018-01-09 |
| 9550174 | Mixed manganese ferrite coated catalyst, method of preparing the same, and method of preparing 1,3-butadiene using the same | Yong Tak Kwon, Tae Jin Kim, Young Min Chung, Seung Hoon Oh | 2017-01-24 |
| 9187767 | Method for producing hydrocarbons from biomass or organic waste | Young Min Chung, Cher Hee Park, Young Seek Yoon, Hee Jung Jeon, Hee Soo Kim +2 more | 2015-11-17 |
| 8679805 | Preparation method of transportation fuel or lubricating base oil using biomass | Young Min Chung, Hee Jung Jeon, Young Seek Yoon, Seong Ho Lee, Hee Soo Kim +2 more | 2014-03-25 |
| 8518853 | Nanometer-sized copper-based catalyst, production method thereof, and alcohol production method using the same through direct hydrogenation of carboxylic acid | Hee Soo Kim, Seong Ho Lee, Young Seek Yoon, Seung Hoon Oh, Young Min Chung +1 more | 2013-08-27 |