Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11065641 | Coil spring manufacturing method and coil spring manufacturing device | Yoshimitsu Koyama, Mitsuhiro Sugiyama | 2021-07-20 |
| 9253080 | Relay device, network system and computer program product | Yoshihiro Kaya, Hidehiro Fukushima | 2016-02-02 |
| 8233383 | Network relay system and control method thereof | Makoto Kitani, Keiichiro Yamate, Atsushi Kimoto | 2012-07-31 |
| 7643447 | Mobile node, mobile agent and network system | Tetsuo Oura, Sunao Sawada | 2010-01-05 |
| 7453905 | Mobile node, mobile agent and network system | Tetsuo Oura, Sunao Sawada | 2008-11-18 |
| 7177310 | Network connection apparatus | Yukihide Inagaki, Hidemitsu Higuchi, Shigeki Yoshino, Yoshitaka Sainomoto | 2007-02-13 |
| 7046624 | Network apparatus and a method for communicating by using the network apparatus | Kazuko Iwatsuki, Takahisa Miyamoto, Toshikazu Yasue | 2006-05-16 |
| 6985496 | Communication management device and communication management method | Takahisa Miyamoto, Kazuko Iwatsuki | 2006-01-10 |
| 6977885 | Packet transmitting and receiving method and apparatus therefor | Toshikazu Yasue, Kazuko Iwatsuki, Ken Watanabe | 2005-12-20 |
| 6950431 | Network relay apparatus | Shinji Nozaki, Sunao Sawada, Ken Watanabe | 2005-09-27 |
| 6907470 | Communication apparatus for routing or discarding a packet sent from a user terminal | Sunao Sawada, Shinji Nozaki | 2005-06-14 |
| 6888845 | Mobile node, mobile agent and network system | Tetsuo Oura, Sunao Sawada | 2005-05-03 |
| 6877105 | Method for sending notice of failure detection | Ken Watanabe, Toshikazu Yasue | 2005-04-05 |
| 6868089 | Mobile node, mobile agent-and network system | Tetsuo Oura, Sunao Sawada | 2005-03-15 |
| 6853639 | Information relay device and method with multicast protocol conversion function and information network system using the same | Shinji Nozaki | 2005-02-08 |
| 6785293 | Mobile node, mobile agent and network system | Tetsuo Oura, Sunao Sawada | 2004-08-31 |
| 6724775 | Mobile node, mobile agent and network system | Tetsuo Oura, Sunao Sawada | 2004-04-20 |
| 6578088 | Automatic address distributing system | Shuji Ohno, Norihiro Goto, Takashi Kitayama | 2003-06-10 |
| 6219715 | Automatic address distributing system | Shuji Ohno, Norihiro Goto, Takashi Kitayama | 2001-04-17 |
| 6172986 | Mobile node, mobile agent and network system | Tetsuo Oura, Sunao Sawada | 2001-01-09 |
| 5699345 | Congestion control method in asynchronous transfer mode local area network | Atsushi Kimoto, Atsuo Hatono | 1997-12-16 |