Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4347184 | Process for separating and recovering coproporphyrin and uroporphyrin from a culture broth containing them | Ichiro Kojima, Yasuo Fujiwara | 1982-08-31 |
| 4334021 | Process for producing coproporphyrin III | Ichiro Kojima, Yasuo Fujiwara | 1982-06-08 |