Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11601422 | Communication node, multi-hop network, equipment validity check method, and program | — | 2023-03-07 |
| 10243364 | Control device, control method, and program | Yukiko Kojima | 2019-03-26 |
| 10172039 | Node, master device, and communication control system, method, and program | Tomonori Ishida | 2019-01-01 |
| 8331783 | Optical communication system, optical communication apparatus, and optical communication method thereof | Kazuhito Ikai, Yasuhisa Kanda, Yoshitaka Nakao | 2012-12-11 |
| 8005361 | Station-side optical network terminal apparatus, subscriber-side optical network terminal apparatus, and optical communication system | Tatsuya Kubota | 2011-08-23 |
| 6810212 | Optical network termination system, apparatus, and optical network termination method | — | 2004-10-26 |
| 6757251 | Optical line termination, passive optical network system and method of dynamically controlling an upstream band | — | 2004-06-29 |