Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880742 | Prostaglandin biosynthesis inhibitors | Osamu Hayaishi, Sachiko Kuno | 1989-11-14 |
| 4869270 | Condom | Ryuzo Ueno | 1989-09-26 |
| 4868203 | Bacterial substance and pharmaceutical composition thereof | Ryuzo Ueno, Hiroshi Kita, Ichie Kato, Akihiko Tabata, Takashi Hironaka | 1989-09-19 |
| 4840941 | Method for inhibiting infection of human T-cells | Ryuzo Ueno, Sachiko Kuno, Akihiko Tabata | 1989-06-20 |