Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8727890 | Game system and player matching method | Yasuyuki Nagatomo | 2014-05-20 |
| 8651962 | Amusement system having communication function | Yasuyuki Nagatomo, Kenichi Yamamoto, Takuto Kaji | 2014-02-18 |
| 8360876 | Networked game machine, game information display and game program for mahjong game | Michiaki Imachi, Takahiro Takeuchi, Masahiro Nishiyama, Kazuma Konishi | 2013-01-29 |