Issued Patents 2019
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10258872 | Operating apparatus, game machine, and control method | Takahiro Ono, Hiroyuki Onitsuka, Masataka Kimura, Masaaki Sumi | 2019-04-16 |
| 10262581 | Operating apparatus, game machine, and control method | Takahiro Ono, Hiroyuki Onitsuka, Masataka Kimura, Masaaki Sumi | 2019-04-16 |
| 10210698 | Game machine pushbutton | Masaaki Sumi, Hiroyuki Onitsuka | 2019-02-19 |