Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7859511 | DC-DC converter with temperature compensation circuit | Yuhren Shen, Hung-Chi Chu | 2010-12-28 |
| 7652462 | Constant current regulator with current sensing circuit loop | Hung-Chi Chu, Yuhren Shen | 2010-01-26 |
| RE33405 | Purified human prostate antigen | Tsann M. Chu, Lawrence D. Papsidero | 1990-10-23 |
| 4446122 | Purified human prostate antigen | Tsann M. Chu, Lawrence D. Papsidero | 1984-05-01 |