Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7313385 | E-mail distribution control method and mail server | Toshiyasu Yabe, Masaki Kawabata, Taichi Yoshida | 2007-12-25 |
| 7072642 | Receiving device and repeating device | Toshiyasu Yabe, Masaki Kawabata, Ai Nagai | 2006-07-04 |