Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D466161 | Game machine | Masami Takahashi, Mitsushige Takeuchi, Ryoji Hayashi | 2002-11-26 |
| D406182 | Operating apparatus for a game machine | Eita Kada | 1999-02-23 |
| D396068 | Optical beam gun for a game machine | Hirofumi Fujimoto | 1998-07-14 |
| D386543 | Optical beam gun for a game machine | Tooru Ookubo | 1997-11-18 |