Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7706690 | Relay node in optical networks | Akira Nagata, Keiji Miyazaki, Yasuki Fujii | 2010-04-27 |
| 7657180 | Communication path calculation method and module | Keiji Miyazaki, Yasuki Fujii, Akira Nagata | 2010-02-02 |
| 7653308 | Path routing computation method and optical communication network applying path routing computation method | Keiji Miyazaki, Yasuki Fujii, Akira Nagata | 2010-01-26 |
| 7626924 | Transmission device and label allocation method | Akira Nagata, Keiji Miyazaki | 2009-12-01 |