Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7161632 | Video terminal, video terminal communicating system, and videoconference system | — | 2007-01-09 |
| 7147475 | Personal computer lesson system using videophones | — | 2006-12-12 |
| 5216296 | Logic circuit having sharper falling edge transition | Hiroyuki Tsunoi, Kazumasa Nawata, Toshiaki Sakai, Hiroki Yada, Hisayosi Ooba +2 more | 1993-06-01 |