Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6764402 | Image-display game system and information storage medium used therefor | Tsunekazu Ishihara | 2004-07-20 |
| 6595858 | Image-display game system | Tsunekazu Ishihara | 2003-07-22 |
| 6482092 | Image-display game system and information storage medium used therefor | Tsunekazu Ishihara | 2002-11-19 |
| 6267677 | Game machine and storage medium therefor | Tsunekazu Ishihara | 2001-07-31 |
| 6251010 | Game machine apparatus and method with enhanced time-related display of pokemon-type characters | Tsunekazu Ishihara | 2001-06-26 |