Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8882600 | Gaming machine | Kazuo Okada, Jun Hirato, Tetsuya Yokota | 2014-11-11 |
| 8562412 | Roulette game systems and roulette game apparatus | — | 2013-10-22 |
| 7662039 | Multi-player gaming machine | Junpei Sato, Hirobumi Toyoda | 2010-02-16 |
| 7311305 | Roulette device and game control method | Tetsuya Yokota, Yoshitomo Sasaki | 2007-12-25 |
| 7301481 | Typing practice apparatus, typing practice method, and typing practice program | Kazuo Okada | 2007-11-27 |
| 6239771 | Head mounted display | Yoshinao Usuki, Futoshi Ito, Kenji Tosaki | 2001-05-29 |
| 6124837 | Head mounted display | Yoshinao Usuki, Futoshi Ito, Kenji Tosaki | 2000-09-26 |
| 5774096 | Head mounted display | Yoshinao Usuki, Futoshi Ito, Kenji Tosaki | 1998-06-30 |
| 5713792 | Fishing game device and a simulated fishing reel | Yuji Ohzono, Tomohiro Matsunaga, Futoshi Itoh, Ken Yamanouchi, Hiroyasu Suzuki | 1998-02-03 |