Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10184067 | Paper coating material having environment-friendly, water-proof and oil-proof properties, and method of manufacturing the same | — | 2019-01-22 |
| 7762869 | Nozzle for spraying sublimable solid particles entrained in gas for cleaning surface | — | 2010-07-27 |
| 7442112 | Nozzle for spraying sublimable solid particles entrained in gas for cleaning surface | — | 2008-10-28 |
| 7270136 | Apparatus for cleaning the edges of wafers | Se-Jong Ko, Jung-Gwan Kim, Jeong Ho Lee | 2007-09-18 |
| 7008306 | Nozzle for injecting sublimable solid particles entrained in gas for cleaning a surface | Se-Jong Ko | 2006-03-07 |