Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6756472 | Process for producing polymer | Yoshio Hata | 2004-06-29 |
| 6740634 | Sustained release compositions, process for producing the same and utilization thereof | Akira Saikawa, Yoshio Hata, Kazumichi Yamamoto | 2004-05-25 |