Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D455791 | Game machine | Takahiro Nakahara, Hachitaro Sato | 2002-04-16 |
| 5887870 | Medal game machine | Takashi Kumabe, Takashi Hamano, Isao Uehara | 1999-03-30 |
| 5667218 | Medal game machine | Takashi Kumabe, Takashi Hamano, Isao Uehara | 1997-09-16 |