Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9800347 | Optical transmission device, optical transmission system, and optical transmission control method | Ichiro Nakajima | 2017-10-24 |
| 9577781 | Optical transmission apparatus and optical transmission control method | Ichiro Nakajima | 2017-02-21 |
| 9467244 | Transmission apparatus and transmission system | Ichiro Nakajima | 2016-10-11 |
| 9276837 | Route setting apparatus, route setting method, and network system | — | 2016-03-01 |
| 8893115 | Apparatus having data installed and method of upgrading data | Eiji Iida, Miwa Taniguchi, Tomoyuki Kanzaki, Toshihiro Suzuki, Shingo Hara | 2014-11-18 |
| 8655165 | Light transmission device, optical relay device, optical wavelength multiplexing transmission apparatus, and light transmission method | — | 2014-02-18 |
| 7724690 | Inheritance control method of network control data between transmission apparatuses and transmission apparatus using the same | Shingo Hara, Eiji Iida, Miwa Taniguchi, Tomoyuki Kanzaki, Toshihiro Suzuki +1 more | 2010-05-25 |
| 7581145 | Information processing device, failure notification method, and computer product | — | 2009-08-25 |
| 7330424 | Node device in network, and network system | Kazuhiko Shiba, Toru Taniguchi | 2008-02-12 |
| 7301973 | Method and unit for setting a wavelength to a tunable laser | Takuma Shouji, Eiji Iida, Miwa Taniguchi, Tomoyuki Kanzaki, Toshihiro Suzuki +1 more | 2007-11-27 |
| 7065040 | Ring switching method and node apparatus using the same | — | 2006-06-20 |