Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4895842 | Phenylalanine derivative and proteinase inhibitor | Shosuke Okamoto, Yoshio Okada, Taketoshi Naito, Yoshio Kimura, Morihiko Yamada +3 more | 1990-01-23 |
| 4873253 | Phenylalanine derivative and proteinase inhibitor | Shosuke Okamoto, Yoshio Okada, Taketoshi Naito, Yoshio Kimura, Morihiko Yamada +4 more | 1989-10-10 |
| 4764618 | Arginine derivatives and pharmaceutically acceptable acid addition salts thereof | Ryoji Kikumoto, Yoshikuni Tamao, Shinji Tonomura, Akira Maruyama, Shosuke Okamoto | 1988-08-16 |