Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4897489 | Antibiotic derivatives, their production and use | Setsuo Harada, Michihiko Ochiai, Hirotomo Masuya | 1990-01-30 |
| 4882434 | Gamma-lactonecarboxylic acid derivatives and their use as antibacterial agents or intermediates | — | 1989-11-21 |
| 4851422 | Antibiotic 2-(3-oxo-2-isoxazolidinyl)-5-oxo-2-tetrahydrofuran-carboxylates | Hideaki Natsugari, Yasuhiko Kawano, Akira Morimoto | 1989-07-25 |
| 4751299 | Optically active .beta.-lactams and method of their production | Tohru Sugawara, Yasuhiko Kawano | 1988-06-14 |
| 4533495 | Method of producing 2-azetidinone-1-sulfonic acid compounds | Michihiko Ochiai | 1985-08-06 |