Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9823436 | Lens barrel | — | 2017-11-21 |
| 9715081 | Lens barrel | — | 2017-07-25 |
| 9563034 | Lens barrel | — | 2017-02-07 |
| 9297982 | Lens barrel | — | 2016-03-29 |
| 7823171 | Loading mechanism and disc player using the loading mechanism | Yoshiaki Yokochi, Katsutoshi Kobayashi | 2010-10-26 |
| 6983474 | Disk clamping device | — | 2006-01-03 |