Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5921493 | Tape tension control apparatus | — | 1999-07-13 |
| 5746384 | Tape tension control apparatus | Masaki Yoshizawa, Satoshi Ota | 1998-05-05 |
| 5502603 | Rotating head type recording/reproducing apparatus which uses wide recording heads to record a single pilot signal over three tracks and preventing overwriting of the pilot signal by the next head scan | Tadashi Ozue | 1996-03-26 |