Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10009271 | Routing method and network transmission apparatus | Masahiko Takenaka, Kunikazu Matsumoto, Yutaka Takahashi, Hiroaki Sakai | 2018-06-26 |
| 9313130 | Routing method and network transmission apparatus | Masahiko Takenaka, Kunikazu Matsumoto, Yutaka Takahashi, Hiroaki Sakai | 2016-04-12 |
| 7856016 | Access control method, access control system, and packet communication apparatus | Hidekazu Baba, Yasuharu Ito | 2010-12-21 |
| 7508767 | Access management method and access management server | — | 2009-03-24 |