Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11201668 | Optical network system, optical node device, and optical network control method | Tomoyuki Hino, Hitoshi Takeshita, Shinsuke Fujisawa | 2021-12-14 |
| 11115318 | Optical network control devices and optical path setting method | Shinsuke Fujisawa, Hitoshi Takeshita | 2021-09-07 |
| 11109123 | Optical network management apparatus and method of allocating optical frequency band | Hitoshi Takeshita, Shinsuke Fujisawa, Tomoyuki Hino | 2021-08-31 |
| 10938499 | Optical path controller and method of controlling optical path | Shinsuke Fujisawa, Hitoshi Takeshita | 2021-03-02 |