Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4436663 | Process for separating porphyrins | Ichiro Kojima, Yutaka Oguchi, Noboru Endoh, Tetsuo Satoh | 1984-03-13 |
| 4383110 | Process for purifying and separating vitamin B.sub.12 | Tatsuo Kinoshita, Yutaka Oguchi, Ichiro Kojima, Noboru Endoh, Tetsuo Satoh | 1983-05-10 |
| 4370415 | Process for producing uroporphyrin III | Ichiro Kojima, Yasuo Fujiwara | 1983-01-25 |
| 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 |