Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5844880 | Disk playback device with changer allowing playback of one disk while another can be exchanged | Masanori Motoki, Tadahiro Mitani | 1998-12-01 |
| 5615184 | Disc playing device | Yukiyasu Tsuruta, Tetsuo Noda | 1997-03-25 |