Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11750490 | Communication coupling verification method, storage medium, and network verification apparatus | Atsushi Kitada | 2023-09-05 |
| 11057144 | Optical transmission apparatus, method for setting wavelength, and optical transceiver | Shoichiro Oda | 2021-07-06 |
| 10659184 | Optical transmission device, optical transmission method and optical transmission system | Kazuyuki Tajima, Yutaka Takita | 2020-05-19 |
| 10382338 | Mitigation of processing load on control device controlling transfer devices within network | — | 2019-08-13 |
| 10305588 | Network management device and network management method | Toru Katagiri | 2019-05-28 |
| 10237170 | Flow switch, controller and relay apparatus | — | 2019-03-19 |
| 10230462 | Optical transmission characteristic measurement device and method | Shoichiro Oda, Toru Katagiri, Satoru Okano, Yasuhiko Aoki | 2019-03-12 |
| 10177840 | Communication apparatus, method of communication and communication system | — | 2019-01-08 |
| 10158422 | Apparatus and method for estimating optical transmission performance | Shoichiro Oda, Setsuo Yoshida, Yasuhiko Aoki, Toru Katagiri, Goji Nakagawa +2 more | 2018-12-18 |
| 9602194 | Transmission device, network designing device, activation method, and network designing method | Tomohiro Hashiguchi, Yutaka Takita, Kazuyuki Tajima | 2017-03-21 |
| 9313122 | Frame transmission system, frame transmission apparatus, and frame transmission method | — | 2016-04-12 |
| 9100117 | Apparatus and method for switching a communication path | — | 2015-08-04 |
| 9094286 | Transmission device, transmission method, and computer-readable recording medium | — | 2015-07-28 |
| 9071457 | Provider network and provider edge apparatus | — | 2015-06-30 |
| 8837532 | Frame transmission device and synchronization method | — | 2014-09-16 |
| 8594127 | Communication device and communication method | — | 2013-11-26 |
| 8559441 | Virtual private network apparatus for providing VPN services to connect plural bases | — | 2013-10-15 |
| 8121138 | Communication apparatus in label switching network | — | 2012-02-21 |
| 7710883 | Path setting method and communication apparatus in communication network performing communications through a plurality of layers | — | 2010-05-04 |
| 7558284 | Network design device | Norihiko Shinomiya, Akira Chugo, Keiji Miyazaki | 2009-07-07 |
| 7209434 | Path modifying method, label switching node and administrative node in label transfer network | Shinya Kano | 2007-04-24 |
| 7024113 | Path route modification method and switching system using the same | — | 2006-04-04 |
| 6791984 | Dynamic band-allocating subscriber-line-terminating apparatus | Nagao Shimada, Tomohiro Shinomiya, Haruo Yamashita | 2004-09-14 |
| 6658009 | Band allocation method and transmission system for transmitting variable-length packets | Haruo Yamashita, Tomohiro Shinomiya, Kazuyuki Tajima, Masamichi Kasa | 2003-12-02 |