Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6616535 | IC card system for a game machine | Tsutao Nishizaki, Shin Iwagami, Shingo Dote | 2003-09-09 |
| 5713792 | Fishing game device and a simulated fishing reel | Yuji Ohzono, Tomohiro Matsunaga, Masaki Matsuno, Ken Yamanouchi, Hiroyasu Suzuki | 1998-02-03 |