Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9954637 | Wavelength selective device, wavelength selective method, and wavelength selective system | — | 2018-04-24 |
| 9621452 | Communication system and node | — | 2017-04-11 |
| 9287969 | Protection channel provisioning method and node equipment | — | 2016-03-15 |
| 8576729 | Communication method for point-to-multipoint communication system and subsidiary transmission apparatus for the same system | Jun Wakabayashi | 2013-11-05 |
| 8565116 | Communication apparatus and protocol processing method | — | 2013-10-22 |
| 8320278 | Communication device, system and method to form communication route | Koji Takeguchi, Yasuko Nozu, Katsuhiro Shirai | 2012-11-27 |
| 8165016 | Method and apparatus for setting communication paths in a network | — | 2012-04-24 |
| 8005938 | Management network for network management, its management method, and network element used therefor | — | 2011-08-23 |
| 7983149 | Line accommodation device and control method thereof | — | 2011-07-19 |
| 7650426 | Method of and apparatus for communication, and computer product | — | 2010-01-19 |
| 7397760 | Transmission apparatus | — | 2008-07-08 |
| 7187693 | Communication apparatus and method for setting line capacity thereof | — | 2007-03-06 |
| 6356562 | High-speed communications system for providing voice and data services | — | 2002-03-12 |