Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9308440 | Input device for game machine | Masakatsu Watanabe, Hiroshi Hayasaka | 2016-04-12 |
| 8854297 | Interface unit for game machine and game machine | Masakatsu Watanabe, Hiroshi Hayasaka | 2014-10-07 |
| D590449 | Game machine | Takaaki Ishii | 2009-04-14 |
| D587763 | Game machine | Takaaki Ishii | 2009-03-03 |