Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4544633 | Process for producing vitamin B.sub.12 by the fermentation technique, and vitamin B.sub.12 -producing microorganism | Ichiro Kojima, Kouji Komiya, Hiroshi Sato | 1985-10-01 |
| 4436663 | Process for separating porphyrins | Kenji Maruhashi, Ichiro Kojima, Noboru Endoh, Tetsuo Satoh | 1984-03-13 |
| 4383110 | Process for purifying and separating vitamin B.sub.12 | Tatsuo Kinoshita, Kenji Maruhashi, Ichiro Kojima, Noboru Endoh, Tetsuo Satoh | 1983-05-10 |
| 4356339 | Process for isolating and recovering butene-1 of high purity | Masao Imaizumi, Tetsuya Takezono, Takaaki Amari | 1982-10-26 |