Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7848274 | Content distribution method and relay apparatus | Makoto Hasegawa, Yuichiro Kohashi, Takanobu Nakamura | 2010-12-07 |
| 7379087 | Chat management system | Mitsuyoshi Yamatari, Kouichi Yamada, Kazushi Oota, Gentaro WASHIO, Kouichi Itou +3 more | 2008-05-27 |
| 7249370 | Communication system and transfer device | Mitsuru Kodama, Kenjirou Tsuji | 2007-07-24 |