Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4331489 | Process for producing magnetic powder | Tatsuo Uehori, Akio Watanabe | 1982-05-25 |
| 4318961 | Magnetic recording medium | Akio Watanabe, Tatsuo Uehori | 1982-03-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4331489 | Process for producing magnetic powder | Tatsuo Uehori, Akio Watanabe | 1982-05-25 |
| 4318961 | Magnetic recording medium | Akio Watanabe, Tatsuo Uehori | 1982-03-09 |