Issued Patents All Time
Showing 101–107 of 107 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D532051 | Hand-held electronic game machine | Kenichi Sugino | 2006-11-14 |
| D531228 | Electronic game machine | Kenichiro Ashida, Shinji Yamamoto, Hirokazu Matsui, Akiko Suga | 2006-10-31 |
| D524870 | Hand-held electronic game machine | Kenichi Sugino | 2006-07-11 |
| D507273 | Wireless communication adapter for game machine | — | 2005-07-12 |
| D506065 | Rechargeable battery storage case | Kenichi Sugino, Tsushima Takada | 2005-06-14 |
| D484918 | Hand-held electronic game machine | Satoru Okada, Kenichi Sugino | 2004-01-06 |
| D454837 | Battery charger | Tsushima Takada | 2002-03-26 |