Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7028110 | Computer and computer system having security features | Fujio Seki, Takashi Sato, Yasuyuki Kuno | 2006-04-11 |
| 4426646 | Self shift type gas discharge panel, driving system | Hisashi Yamaguchi, Toyoshi Kawada, Hiroyuki Ishizaki, Kenji Murase | 1984-01-17 |
| 4190789 | Driving system for a self-shift type gas discharge panel | Toyoshi Kawada, Hisashi Yamaguchi | 1980-02-26 |