Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11496036 | Valve device | Shinji Kawada, Hikaru OTSUKA, Hiroto Inoue, Shin KUWATA, Tetsuya Ito +1 more | 2022-11-08 |
| 7602578 | Servo writer and servo writing process | Toru Nakao | 2009-10-13 |
| 7256962 | Magnetic tape drive with AC erase element upstream from plural head elements | — | 2007-08-14 |
| 7206161 | Servo track verification apparatus and servo writer | — | 2007-04-17 |
| 7142388 | Servo writer and servo writing process | Toru Nakao | 2006-11-28 |
| 6873486 | Apparatus for measuring lateral shift of running magnetic tape | — | 2005-03-29 |
| 6865050 | Servo signal recording device and servo signal verifying device using edge detection | Toru Nakao | 2005-03-08 |
| 6712727 | Motor actuator | Yukinobu Kujira | 2004-03-30 |
| 6246205 | Driving apparatus for stepping motor | Yukinobu Kujira | 2001-06-12 |