Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7178346 | Constant temperature refrigeration system for extensive temperature range application and control method thereof | Eh-Dih Huang | 2007-02-20 |
| 7044213 | Constant temperature refrigeration system for extensive temperature range application and control method thereof | Der-Yung Liu, Chan-Hsiang Chang | 2006-05-16 |
| 7000412 | Constant temperature refrigeration system for extensive temperature range application and control method thereof | Eh-Dih Huang | 2006-02-21 |
| 6325948 | Waferless clean process of a dry etcher | Ta-Chin Chen, Hsew-Chu Hsu, Ming-Je Huang, Sheung Kan Tsang, Yuk-Hong Ting | 2001-12-04 |
| 6312138 | Lighted magnetic retrieval tool | Edward S. Coleman | 2001-11-06 |