Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4425401 | Magnetic recording media | Tadashi Ido, Hirotaka Yokoyama, Moriyasu Wada, Toshihiko Oguchi, Akio Ishizawa | 1984-01-10 |
| 4407721 | Process for manufacturing powder for magnetic recording medium | Osamu Kubo, Tadashi Ido, Masanobu Uwaha | 1983-10-04 |