Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4352717 | Apparatus for production of spherical grain ferrite powder | Yasuo Watanabe, Seizi Isoyama | 1982-10-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4352717 | Apparatus for production of spherical grain ferrite powder | Yasuo Watanabe, Seizi Isoyama | 1982-10-05 |