Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880798 | Cephalosporin derivatives | Kazuo Kato, Hidenori Mochizuki, Ei Mochida | 1989-11-14 |
| 4866055 | Cephalosporin derivatives and their crystalline derivatives | Kazuo Kato, Hidenori Mochizuki, Ei Mochida | 1989-09-12 |