Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7266831 | Insertion type compact disc case | Byeong-Seon Bak | 2007-09-04 |
| 6071350 | Semiconductor device manufacturing apparatus employing vacuum system | Won-Yeong Kim, Yun-mo Yang, Seung-Ki Chae | 2000-06-06 |
| 5833425 | Semiconductor device manufacturing apparatus employing vacuum system | Won-Yeong Kim, Yun-mo Yang, Seung-Ki Chae | 1998-11-10 |