Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7645864 | Erythromycin derivative having novel crystal structures and processes for their production | Akira Hiraide, Kaichiro Koyama, Hitoshi Shimizu | 2010-01-12 |
| 6902654 | Ultraviolet irradiation apparatus for photochemical reaction and preparation process of vitamin D derivative making use of the same | Tadao Michishita, Satoshi Watanabe, Masahiro Katoh, Tetsuhiro Mikami, Koji Oikawa +1 more | 2005-06-07 |
| 6897299 | Process for producing erythromycin derivative | Hitoshi Shimizu, Mitsuhiro Kurita | 2005-05-24 |
| 6767998 | Method for preparing purified erythromycin | Megumi Ishii | 2004-07-27 |