Issued Patents All Time
Showing 1–25 of 100 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12263470 | Method of improving selective hydrogenation of unsaturated hydrocarbon in aromatic fraction through catalyst pretreatment | Ji Hoon Lee | 2025-04-01 |
| 12110061 | Hood cable fixing case for vehicle | Eun Min Kim, Hoosang Park | 2024-10-08 |
| 12011709 | Method of improving selective hydrogenation of unsaturated hydrocarbon in aromatic fraction through catalyst pretreatment | Ji Hoon Lee | 2024-06-18 |
| 11932545 | Method for preparing mordenite zeolite having controllable particle size | Young Eun Cheon, Yeon Ho Kim, Ji Hoon Lee | 2024-03-19 |
| 11802248 | Process for reducing unsaturated hydrocarbons in aromatic fraction through selective hydrogenation | Ji Hoon Lee, Young Eun Cheon | 2023-10-31 |
| 11660588 | Catalyst for producing C8 aromatic hydrocarbon having reduced ethylbenzene content and preparation method therefor | Ji Hoon Lee, Young Eun Cheon, Yeon Ho Kim | 2023-05-30 |
| 11648544 | Catalyst for converting alkylaromatic hydrocarbon and preparation method thereof | Ji Hoon Lee, Young Eun Cheon | 2023-05-16 |
| 11620333 | Apparatus, server, and method for providing conversation topic | Hue-yin Kim, Sung Kyu Lee, Seong-seol Hong, Jung Hoon Shin, Yeon-Woo Lee | 2023-04-04 |
| 11492183 | Chemical container | Gwang Ho Mun | 2022-11-08 |
| 11376574 | Catalyst for converting alkylaromatic hydrocarbon and preparation method thereof | Ji Hoon Lee, Young Eun Cheon | 2022-07-05 |
| 11285871 | Method and system of controlling interior sound of vehicle | Seong-Youn Kwak, Jae Hyun Park, Dong-Wook Lee, Won Seop Choi | 2022-03-29 |
| 11246553 | Radiographic apparatus and radiographic method using same | Eung-bum Kim, Choul Woo SHIN | 2022-02-15 |
| 11207363 | Pharmaceutical composition for prevention or treatment of Alzheimer's disease, comprising mountain-cultivated ginseng extract | Hyoung-Chun Kim, Sung Kwon Ko, Eun Joo SHIN | 2021-12-28 |
| 11131327 | Gas lift for preventing sagging | Min Sik Kim, Jong Il Shin | 2021-09-28 |
| 11048750 | Apparatus, server, and method for providing conversation topic | Hue-yin Kim, Sung Kyu Lee, Seong-seol Hong, Jung Hoon Shin, Yeon-Woo Lee | 2021-06-29 |
| 10999899 | Heating cable having excellent flex resistance and flexibility | Do-Hyun Park, Chang Suk KIM | 2021-05-04 |
| 10908703 | User terminal device and method for controlling the user terminal device thereof | Mi Ra Park, Sung-bin Kuk, Hark-joon Kim, Min Kyu Jung, Seong Hoon Kang | 2021-02-02 |
| 10848529 | Method and apparatus for sharing presentation data and annotation | Jung-kih Hong, Min-suk Choi, Yoon-Suk Choi, Seong Hoon Kang | 2020-11-24 |
| 10844844 | Carbon blade for wind power generator with multi-down conductor | Jeong Hoon Lee, In Gyu Oh | 2020-11-24 |
| 10794299 | Variable exhaust valve assembly for vehicle | Yun Soo Kim, Wan Cheol Lee, Jin Woo Kim, Jong Hwa Kang | 2020-10-06 |
| 10752638 | Method for producing anhydrosugar alcohol by high-pressure reaction | Young Bo Choi, Sung Real Son, In Hyoup Song | 2020-08-25 |
| 10750359 | Portable terminal device and method for operating the same | Do-Hyoung Kim, Taik-heon Rhee, Seong Hoon Kang, Sung-bin Kuk, Dong-jin Eun +1 more | 2020-08-18 |
| 10654768 | Method for recovering ethylbenzene from alkylation product of fluidized catalytic cracking off-gas and benzene | Dae-sung Song, Hee Du Lee, Kyung Jong Oh, Ji Hoon Lee, Yeon Ho Kim | 2020-05-19 |
| 10457207 | Sound generator system of vehicle | — | 2019-10-29 |
| 10439838 | Control device, method of controlling the same, and integrated control system | Hark-joon Kim, Sung-bin Kuk, Mi Ra Park, Min Kyu Jung, Seong Hoon Kang | 2019-10-08 |