Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9253080 | Relay device, network system and computer program product | Yoshihiro Kaya, Tatsuya Watanuki | 2016-02-02 |
| 8817683 | Network relay apparatus and inter-network relay method | Toshiyuki Kubo, Keisuke Kadowaki, Nagayuki Hirota | 2014-08-26 |
| 7974282 | Network apparatus for redundant multicast | Takeshi Shibata, Kenichi Sakamoto | 2011-07-05 |
| 7606227 | Method, apparatus and system for distributing multicast data | Shigeki Morimoto | 2009-10-20 |
| 7443851 | Device and system for multicast communication | Shigeki Morimoto | 2008-10-28 |
| 6490246 | System and method for using active and standby routers wherein both routers have the same ID even before a failure occurs | Masato Tsukakoshi, Shigeki Morimoto, Tohru Setoyama | 2002-12-03 |
| 6292489 | Router device and network system using the same | Kenji Kawakita, Naoya Ikeda, Masashi Kamegaya | 2001-09-18 |
| 6049524 | Multiplex router device comprising a function for controlling a traffic occurrence at the time of alteration process of a plurality of router calculation units | Masato Tsukakoshi, Shigeki Morimoto, Tohru Setoyama | 2000-04-11 |
| 6034964 | Router device and network system using the same | Kenji Kawakita, Naoya Ikeda, Masashi Kamegaya | 2000-03-07 |
| 5777994 | ATM switch and intermediate system | Masatoshi Takihiro, Toshihiko Murakami, Osamu Takada, Atsushi Kimoto | 1998-07-07 |