Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9292370 | Relay node, control method of relay node and network system | Satoshi Kiyotou | 2016-03-22 |
| 8948185 | Relay node, control method of relay node and network system | Satoshi Kiyotou | 2015-02-03 |
| 7702904 | Key management system and multicast delivery system using the same | Kazuya Suzuki, Masahiro Jibiki | 2010-04-20 |