Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4895842 | Phenylalanine derivative and proteinase inhibitor | Shosuke Okamoto, Yoshio Okada, Akiko Okunomiya, Taketoshi Naito, Morihiko Yamada +3 more | 1990-01-23 |
| 4873253 | Phenylalanine derivative and proteinase inhibitor | Shosuke Okamoto, Yoshio Okada, Akiko Okunomiya, Taketoshi Naito, Morihiko Yamada +4 more | 1989-10-10 |