Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869904 | Sustained release drug preparation | Kaneto Uekama, Takanori Ijitsu, Tadashi Yamada | 1989-09-26 |
| 4857529 | Interferon inducing, anti-vaccinia, and/or anti-influenza compositions | Hiroyasu Koyama, Yasuhiro Komatsu, Reiko Kubota, Toshihiro Takahashi | 1989-08-15 |