Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11720092 | Maintenance management system and data processing method | Mizuto NAKAMURA, Toshihiko Seki, Hiroyuki Oyanagi | 2023-08-08 |
| 11296790 | Transmission system and wavelength resource management method | Toshihiko Seki, Hiroyuki Oyanagi, Yuichiro Ishizuka | 2022-04-05 |
| 11201687 | Optical transmission system and wavelength allocation method | Toshihiko Seki, Hiroyuki Oyanagi, Mizuto NAKAMURA | 2021-12-14 |
| 11196482 | Monitoring device and monitoring method | Hiroyuki Oyanagi, Yuichiro Ishizuka | 2021-12-07 |
| 11114066 | Path display device and path display method | Yuichiro Ishizuka, Hiroyuki Oyanagi | 2021-09-07 |
| 11057105 | Monitoring device and monitoring method | Hiroyuki Oyanagi, Yuichiro Ishizuka | 2021-07-06 |