Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7519978 | Movement adjusting device, method thereof, and carrier device | Yoshihiro Ichikawa, Yusuke Akama | 2009-04-14 |
| 6628577 | Disc player | Yoshihiro Ichikawa, Masayuki Saitoh, Shogo Sato | 2003-09-30 |
| 6549491 | Disc player | Yoshihiro Ichikawa, Masayuki Saitoh, Shogo Sato | 2003-04-15 |
| 6404718 | Disc player | Yuji Ikedo, Yusuke Akama, Ken Okamura, Takashi Nakai | 2002-06-11 |