Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10928303 | Concentration measuring device | Yoshihiro Deguchi, Taiki Hattori, Masaaki Nagase, Kazuteru Tanaka, Kouji Nishino +1 more | 2021-02-23 |
| 6328650 | Game controller and information storage medium | Masatoshi Takai | 2001-12-11 |
| 6325719 | Controller for game machine | Hiroyuki Onoda | 2001-12-04 |