Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6797109 | Process chamber used in manufacture of semiconductor device, capable of reducing contamination by particulates | Hee-duk Kim, 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 | Hee-duk Kim, Jung-hun Cho, Jong-wook Choi, Sung-bum Cho, Young-Koo Lee +6 more | 2002-10-15 |
| 6176969 | Baffle plate of dry etching apparatus for manufacturing semiconductor devices | Jong-wook Choi | 2001-01-23 |