Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4348430 | Process for producing magnetic particles for magnetic recording medium | Yasumichi Tokuoka | 1982-09-07 |
| 4343834 | Process for preparing magnetic recording medium | Seitoku Saito, Toshiaki Izumi, Hiroshi Sugihara, Kazuo Takada | 1982-08-10 |