Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6464586 | Game unit | Osamu Kamata, Hirobumi Miyauchi, Jyoji Suga, Koji Yamaguchi | 2002-10-15 |
| 6394898 | Race game device | Yuji Nagao, Takanori Akiyama, Naoki Kawajiri, Seiji Hayashi, Susumu Murata +8 more | 2002-05-28 |