Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8953419 | Multitrack recorder | — | 2015-02-10 |
| 8792310 | Multitrack recorder | — | 2014-07-29 |
| 8514174 | Screen display control device for displaying a home screen and non-home screens | Yasushi Kato | 2013-08-20 |
| 6556518 | Optical disk recording apparatus and method | Hidetake Isobe | 2003-04-29 |