Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5545538 | Method of producing vitamin B12 using rhizobium cobalaminogenum ferm BP-4429 | Satoru Asahi, Muneharu Doi | 1996-08-13 |
| 5538888 | Culture of Rhizobium cobalaminogenum capable of producing vitamin B.sub.12 and mutants thereof | Satoru Asahi, Muneharu Doi | 1996-07-23 |