Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4476177 | Magnetic tape having a leader tape | Goro Akashi | 1984-10-09 |
| 4446205 | Magnetic recording tape having a leader tape | Yasuo Tamai, Nobuo Tsuji | 1984-05-01 |
| 4409299 | Magnetic recording medium | Yasuo Tamai, Akira Kasuga | 1983-10-11 |