Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681951 | Metal catalyzed displacement process | Koichi Hirai, Yuji Iwano, Akira Yoshida, Kozo Oda, Hiroo Koyama | 1997-10-28 |
| 5614624 | Carbapenem | Koichi Hirai, Yuji Iwano, Akira Yoshida, Kozo Oda, Hiroo Koyama | 1997-03-25 |