Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6824463 | Number drawing apparatus and game machine therewith | Takashi Yamaguchi, Takashi Kumabe, Tetsuo Ishimaru, Nobuhiro Goto | 2004-11-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6824463 | Number drawing apparatus and game machine therewith | Takashi Yamaguchi, Takashi Kumabe, Tetsuo Ishimaru, Nobuhiro Goto | 2004-11-30 |