Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6771471 | Rotary head drum apparatus and magnetic recording and playback apparatus | Ichiro Hashimoto, Akira Itou, Hiroyuki Kaneko | 2004-08-03 |
| 6751057 | Magnetic recording/reproducing apparatus and rotary head drum device | Ichiro Hashimoto, Akira Itou | 2004-06-15 |