Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6571737 | Device for managing fish-raising circulatory water | Guin-I Leu, Shun-dar Lin, Shu-Ching Huang | 2003-06-03 |
| 5997752 | Water treating apparatus for raising oxygen solubility | Shun-Chen Chen, Sheng-Shih Cheng, Kuo-Chi Ko | 1999-12-07 |
| 5173318 | Method and apparatus for aging a distilled liquor | I-Chang Lin, Ching-Yu Chen, Chen-Shun Chen | 1992-12-22 |