Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11776511 | Keyboard device | Yukihide Takata, Hitoshi Sato, Masaki Kasubuchi | 2023-10-03 |
| 11776512 | Keyboard device | Masaki Kasubuchi, Hitoshi Sato, Yukihide Takata | 2023-10-03 |
| 11735150 | Keyboard device | Hitoshi Sato, Yoshitaka Fujiwara | 2023-08-22 |
| 11538444 | Keyboard apparatus and key guiding method | Masaki Kasubuchi, Hitoshi Sato | 2022-12-27 |
| 9281142 | Keyboard device | Shiro Uno | 2016-03-08 |
| 8445765 | Keyboard device | Shiro Uno | 2013-05-21 |