Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7286449 | Optical pickup device | Masanori Tei | 2007-10-23 |
| 7096478 | Optical pickup device with elastic supporters and with dynamic vibration absorbing balance weight bonded in concave part with adhesive agent | Koji Naraoka, Atsushi Tonosaki | 2006-08-22 |
| 5508857 | Magnetic head loading/unloading apparatus maintaining a magnetic head at predetermined positions by permanent magnets | — | 1996-04-16 |
| 5483504 | Head loading mechanism of disk apparatus | Koji Naraoka | 1996-01-09 |
| 5455809 | Disk apparatus having magnetic head for magneto-optical recording device | Koji Naraoka | 1995-10-03 |
| 5264911 | Laser power measuring jig for optical disk unit | Kazuhiko Nakane, Masayoshi Shimamoto, Yoshihiro Kiyose, Keiji Nakatsu, Isao Watanabe +4 more | 1993-11-23 |