Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6643092 | Magnetic tape device | Kunio Sawai | 2003-11-04 |
| 6550711 | Magnetic tape apparatus | Kunio Sawai, Katsuyuki Yokota | 2003-04-22 |
| 6398144 | Brake driving device of tape deck | Daisuke Takasaka | 2002-06-04 |