Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12275908 | Emulsification method of fuel oil and desulfurizer for sulfur oxide reduction | — | 2025-04-15 |
| 12274989 | Desulfurizer mixing system for port fuel oil | — | 2025-04-15 |
| 12266519 | Carbon nanotube (CNT) paste emitter, method of manufacturing the same, and X-ray tube apparatus using the same | Han Bin Go, Sang Heon Lee | 2025-04-01 |
| 12043806 | Marine engine pretreatment desulfurization control and monitoring system | — | 2024-07-23 |
| 12043807 | Ship fuel oil pretreatment desulfurization system using pretreatment desulfurization agent | — | 2024-07-23 |
| 11993755 | Pretreatment desulfurization method for ship fuel oil using pretreatment desulfurization agent | — | 2024-05-28 |
| 10988700 | Desulfurization system using catalyst for desulfurization | — | 2021-04-27 |
| 10912180 | X-ray source apparatus and control method thereof | Sang Heon Lee, Jun-Soo Han, Han Bin Go | 2021-02-02 |
| 10566167 | Carbon nanotube electron emitter, method of manufacturing the same and X-ray source using the same | Sang Heon Lee, Jun-Soo Han | 2020-02-18 |
| 10529525 | Carbon nanotube electron emitter, method of manufacturing the same and X-ray source using the same | Sang Heon Lee, Jun-Soo Han | 2020-01-07 |
| 10479951 | Catalyst for desulfurization, method of preparing the same, and desulfurization method using the same | — | 2019-11-19 |
| 10049847 | Electron emitting device using graphite adhesive material and manufacturing method for the same | Dong Hoon Shin, Ki Nam Yun, Yu Sun | 2018-08-14 |
| 9269522 | Electric field emitting source, element using same, and production method therefor | Dong Hoon Shin, Ji Hong Shin | 2016-02-23 |
| 9099274 | Lateral field emission device | Dong Hoon Shin | 2015-08-04 |
| 8513870 | Electron emission source, electric device using the same, and method of manufacturing the electron emission source | Seung Il Jung | 2013-08-20 |
| 8193692 | Surface field electron emitters using carbon nanotube yarn and method of fabricating carbon nanotube yarn thereof | Seung Il Jung, Guohai Chen | 2012-06-05 |
| 8137740 | Method of forming electronic material layer and method of manufacturing electronic device using the method of forming electronic material layer | Sun Kug Kim | 2012-03-20 |
| 7957260 | WiMAX system analyzer having RAS emulation function and method of acquiring UL synchronization and testing PSS using the same | Jinsoup Joung, Kyeong Min Ha, Seung Hwan Ji, Jun Wan Park | 2011-06-07 |
| 7881218 | Mobile wimax signal analyzing method | Jin Soup Joung, Kyung Min Ha | 2011-02-01 |
| 7671522 | Large-area shower electron beam irradiator with field emitters as an electron source | Byung Cheol Lee, Young Kyung Lim, Young Hwan Han, Young-Uk Jung, Seong-Hee Park +1 more | 2010-03-02 |
| 7531158 | Vapor phase synthesis of double-walled carbon nanotubes | — | 2009-05-12 |
| 6514113 | White light source using carbon nanotubes and fabrication method thereof | Jae-eun Yoo | 2003-02-04 |
| 6350488 | Mass synthesis method of high purity carbon nanotubes vertically aligned over large-size substrate using thermal chemical vapor deposition | Jae-eun Yoo | 2002-02-26 |