Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9444604 | Communication system, communication method and data receiving terminal | Yohei Hasegawa | 2016-09-13 |
| 9391887 | Mapping server, network system, packet forwarding method and program | Kazuya Suzuki | 2016-07-12 |
| 9071452 | High-speed communication system and high-speed communication method | Yohei Hasegawa | 2015-06-30 |
| 8929212 | Communication quality monitoring device, communication system, communication quality monitoring method and program thereof | Takayuki Hama | 2015-01-06 |
| 8892773 | Path control apparatus, path control method, path control program, and network system | Kazuya Suzuki | 2014-11-18 |
| 8811233 | Topology detection method and topology detection apparatus | Yohei Hasegawa | 2014-08-19 |
| 8761176 | Path control method adapted to autonomous system routing protocol for communication network | Takaaki Suzuki, Kazuya Suzuki, Tomohiko Yagyu | 2014-06-24 |
| 8555295 | Cluster system, server cluster, cluster member, method for making cluster member redundant and load distributing method | Shuichi Karino | 2013-10-08 |
| 8493879 | Node apparatus, route control method, route computation system, and route computation apparatus | Kazuya Suzuki | 2013-07-23 |
| 8458338 | Address translation device and address translation method | Shuichi Karino | 2013-06-04 |
| 8432913 | Relay device, network system, route switching method, and recording medium | Kazuya Suzuki | 2013-04-30 |
| 8363565 | Routing method and node | Norihito Fujita | 2013-01-29 |
| 8321561 | Information sharing method between neighboring nodes, node and information sharing program | Norihito Fujita, Shigeru Asai | 2012-11-27 |
| 8259619 | Topology specifying method and topology specifying apparatus | Yohei Hasegawa | 2012-09-04 |
| 8159963 | QoS routing method and QoS routing apparatus for determining measurement accuracy of communication quality | Norihito Fujita | 2012-04-17 |
| 8159947 | Traffic engineering apparatus, network system, and traffic control method and program | Kazuya Suzuki, Tomohiko Yagyu, Takaaki Suzuki | 2012-04-17 |
| 8144621 | Node, routing control method, and routing control program | Norihito Fujita | 2012-03-27 |
| 8004965 | Redundant packet switching system and system switching method of redundant packet switching system | Shuichi Karino | 2011-08-23 |
| 7860049 | Method for controlling communication route of wireless multi-hop network system and communication terminal | Tomohiko Yagyuu | 2010-12-28 |
| 7751327 | Communication processing system, packet processing load balancing device and packet processing load balancing method therefor | Shuichi Karino, Kazuya Suzuki | 2010-07-06 |
| 7702904 | Key management system and multicast delivery system using the same | Kazuya Suzuki, Hideyuki Magoshi | 2010-04-20 |
| 7639682 | Communication quality management and apparatus | Kazuya Suzuki | 2009-12-29 |
| 7580418 | Network, router device, route updating suppression method used for the same, and program thereof | Kazuya Suzuki | 2009-08-25 |
| 7443787 | Cluster system, cluster member, and failure recovery method and program thereof | Shuichi Karino, Kazuya Suzuki | 2008-10-28 |
| 7209450 | Data transmission system having a plurality of dynamic route control units | Tomohiko Yagyu | 2007-04-24 |