Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4935368 | Process for producing tissue plasminogen activator | Ryotaro Kotani, Tsuneo Unuma, Shigeki Otawara, Tadao Suzuki | 1990-06-19 |
| 4874772 | Antiasthmatic agent | Tsugio Nakazawa, Yasumasa Yoshie, Yasushi Abiko, Kinya Kameda | 1989-10-17 |
| 4451569 | Stable enzyme composition | Kazuo Beppu, Hiroshi Shimizu, Satoshi Ogawa, Ryotaro Kotani | 1984-05-29 |