Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6338105 | Data transmission method and game system constructed by using the method | Naoki Niizuma | 2002-01-08 |
| 6213879 | Data transmission system and game system with game peripherals using same | Naoki Niizuma, Kenji Tosaki | 2001-04-10 |