Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7921434 | Disc device having multiple disk carry-in speeds | Tsutomu Tatekawa, Tokio Suzuki, Ichiro Kato, Hiroshi Kawase, Yusuke Yoshida +1 more | 2011-04-05 |
| 7362951 | Disk playback apparatus and disk playback method | — | 2008-04-22 |