Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7900244 | Login system and login method | Hideaki Ogata | 2011-03-01 |
| 6251012 | Game system and storage device readable by computer | Atsushi Horigami, Mariko Koyama, Kenhei Gu, Atsushi Otani, Hidehiro Hirata +2 more | 2001-06-26 |