Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10848245 | Multi-layer network system and path setting method in multi-layer network | Hitoshi Takeshita, Shinsuke Fujisawa, Akio Tajima | 2020-11-24 |
| 10750259 | Optical network management apparatus and method of allocating optical frequency band | Hitoshi Takeshita, Shinsuke Fujisawa, Akio Tajima | 2020-08-18 |
| 10715249 | Optical network system, optical node device, and optical network control method | Akio Tajima, Hitoshi Takeshita, Shinsuke Fujisawa | 2020-07-14 |
| 10542335 | Optical network controller and method of setting optical path | Shinsuke Fujisawa, Akio Tajima, Hitoshi Takeshita | 2020-01-21 |