Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4226864 | 7-Substituted aminoacetamido oxadethiacephalosporins | Masayuki Narisada, Teruji Tsuji, Mitsuru Yoshioka, Matsumura Hiromu, Yoshio Hamashima +1 more | 1980-10-07 |
| 4183928 | Haloarylmalonamidooxacephalosporins | Yoshio Hamashima, Masayuki Narisada, Wataru Nagata | 1980-01-15 |