Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4659812 | Cephalosporin intermediates | Shimpei Aburaki, Jun Okumura, Takayuki Naito, Donald G. Walker | 1987-04-21 |
| 4525473 | Cephalosporins | Shimpei Aburaki, Hajime Kamachi, Jun Okumura, Takayuki Naito | 1985-06-25 |
| 4500526 | Cephalosporin derivatives | Kiyoto Imae, Shimpei Aburaki, Jun Okumura, Takayuki Naito | 1985-02-19 |
| 4486586 | Cephalosporin derivatives | Seiji Iimura, Shimpei Aburaki, Jun Okumura, Takayuki Naito | 1984-12-04 |
| 4406899 | Cephalosporins | Shimpei Aburaki, Hajime Kamachi, Jun Okumura, Takayuki Naito | 1983-09-27 |