Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863511 | Method of forming a rare earth-cobalt type magnetic powder for resinous magnet | Kouichi Oka | 1989-09-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863511 | Method of forming a rare earth-cobalt type magnetic powder for resinous magnet | Kouichi Oka | 1989-09-05 |