Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4977256 | Method of eliminating protective groups | Takaaki Hayashi, Yasuhiro Kuramoto | 1990-12-11 |
| 4692519 | Crystals of sodium cephemcarboxylate | Kenzo Naito, Kazuo Tsukamura | 1987-09-08 |