Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4978752 | Crystals of cephem hydrochloride | Yoshiharu Maeda, Yukio Mizuno, Mitsuhisa Yamano | 1990-12-18 |
| 4257896 | Countercurrent liquid-solid contacting apparatus | Yorifumi Ikeda, Yasuhiro Tsujimoto | 1981-03-24 |