Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7856021 | Packet transfer method and apparatus | Tohru Hasegawa | 2010-12-21 |
| 7609692 | Method and apparatus for controlling route in network | Hiromitsu Kajiyama, Jiro Nakata | 2009-10-27 |
| 7110397 | Packet transfer apparatus | Keiko Abe, Hitoshi Ikeda, Masao Higuchi | 2006-09-19 |
| 6463037 | Looping detection apparatus | Akitsugu Ooyoshi | 2002-10-08 |
| 5912877 | Data exchange, data terminal accommodated in the same, data communication system and data communication method | Hiroyuki Kurisutani, Yukio Sone | 1999-06-15 |
| 5734654 | Frame relay switching apparatus and router | Yukio Sone, Kana Izumi | 1998-03-31 |
| 5197067 | Packet communication system using a telephone switching network and a data flow control method | Akio Fujimoto | 1993-03-23 |
| 5182762 | Modem having speed notifying means | Takami Kasasaku | 1993-01-26 |