Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6306039 | Communicative game system | Toshiyuki Kaji, Toshihiro Nakane, Yoshinori Harada | 2001-10-23 |
| 6183367 | Communicative game system | Toshiyuki Kaji, Toshihiro Nakane, Yoshinori Harada | 2001-02-06 |