Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4801703 | Method for production of cephalosporin compounds | Kenzo Naito, Masayasu Kato | 1989-01-31 |
| 4692519 | Crystals of sodium cephemcarboxylate | Kenzo Naito, Sakae Aoyagi | 1987-09-08 |
| 4642365 | Method for production of 1,3,2-dioxaphospholes | Kenzo Naito, Masayasu Kato | 1987-02-10 |
| 4446318 | Method for producing 7-aminocephem compounds | Kenzo Naito, Haruo Shinbo | 1984-05-01 |