Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4321302 | Process for producing magnetic powder having high coercive force | Shinji Umeki, Toshihiro Hamabata, Kazuo Takada | 1982-03-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4321302 | Process for producing magnetic powder having high coercive force | Shinji Umeki, Toshihiro Hamabata, Kazuo Takada | 1982-03-23 |