Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820592 | Permanent oxide magnet and method of coating same | Motoharu Shimizu, Nobuyuki Yamada, Kohji Kobayashi | 1989-04-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820592 | Permanent oxide magnet and method of coating same | Motoharu Shimizu, Nobuyuki Yamada, Kohji Kobayashi | 1989-04-11 |