Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6749845 | Modulated release particles for lung delivery | Yaping Zhu, Simon Stefanos, Akwete L. Adjei | 2004-06-15 |
| 6475468 | Modulated release particles for aerosol delivery | Yaping Zhu, Simon Stefanos, Akwete L. Adjei | 2002-11-05 |