Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9698931 | Apparatus and method for selecting a channel to be set to a path in a communication network | Mineshi Nakashima | 2017-07-04 |
| 9485014 | Transmission apparatus, transmission system, and failure detection method | Kohei Ichimura, Tsuyoshi Ohigawa | 2016-11-01 |
| 9197347 | Optical transmission system and noise suppression method | Mineshi Nakashima, Katsuhiro Shirai, Koji Takeguchi, Toshihiro Togo | 2015-11-24 |
| 9042726 | Optical transport network system, optical-signal transmission path selecting method, and optical transmission device | Toshihiro Togo | 2015-05-26 |
| 8781270 | Optical cross-connect apparatus | Hisashi Taketomi, Kohei Ichimura | 2014-07-15 |
| 8718997 | Network design method and network design device | Motoyoshi Sekiya | 2014-05-06 |
| 8320278 | Communication device, system and method to form communication route | Koji Takeguchi, Masakazu Bamba, Katsuhiro Shirai | 2012-11-27 |
| 7454138 | Method for optimizing path of optical network, and optical transmission node for realizing path optimization | — | 2008-11-18 |
| 6283850 | Circuit board cabinet | Kenji Toshimitsu, Tetsuya Murayama, Hiroshi Kadoya, Mitsuo Kaetsu | 2001-09-04 |