Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9568747 | Side shield fixing structure having pin-detachment guide member | Seong Chan Kim | 2017-02-14 |
| 6797109 | Process chamber used in manufacture of semiconductor device, capable of reducing contamination by particulates | Jeong-hyuck Park, Jung-hun Cho, Jong-wook Choi, Sung-bum Cho, Young-Koo Lee +6 more | 2004-09-28 |
| 6464794 | Process chamber used in manufacture of semiconductor device, capable of reducing contamination by particulates | Jeong-hyuck Park, Jung-hun Cho, Jong-wook Choi, Sung-bum Cho, Young-Koo Lee +6 more | 2002-10-15 |
| 6023368 | Illumination system for use with an optical instrument having an auxiliary magnifying lens | Chang-Woo Woo, Kyue-sang Choi | 2000-02-08 |
| 5820658 | Apparatus and method for processing exhaust gas | Byoung Hyo Jung | 1998-10-13 |