Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866093 | M-4 and iso M-4 derivatives, their preparation and compositions containing them | Minoru Tanaka | 1989-09-12 |
| 4820865 | MB-530B derivatives containing them | Minoru Tanaka | 1989-04-11 |