Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7129619 | Ultrasonic nebulizer for producing high-volume sub-micron droplets | Che-Hua Yang, Hsiu-Kang Chang, Kun-Yi Tsai | 2006-10-31 |
| 6461592 | Method for transferring one or more active ingredients between different phase carriers | Hsiu-Kang Chang, Huei Lung Chang, Chun Hsieh Tsai | 2002-10-08 |