Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7156892 | Filter protection device for preventing damage to an air filter | Dae Won Kim, Jung-Sung Hwang | 2007-01-02 |
| 6177661 | Heated stage for holding wafers during semiconductor device fabrication | Joung-Sun Lee | 2001-01-23 |
| 5635042 | Apparatus for automatic loading/unloading of rack carrying lead frame | Bo-Keun Shim, Hwa Young Lee, Choong-Ho Han | 1997-06-03 |