Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7292713 | Eye test service system | Yasufumi Fukuma, Takeyuki Kato | 2007-11-06 |
| 7274806 | Service system for selecting personal goods to wear or carry, and program product therefor | Yasufumi Fukuma, Takeyuki Kato | 2007-09-25 |
| 7010146 | Database constructing system | Yasufumi Fukuma, Takeyuki Kato | 2006-03-07 |