Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12237976 | Topology deduction system, traffic addition device, and traffic addition method | Toshihiko Seki, Naoyuki Tanji | 2025-02-25 |
| 12192091 | Topology estimation system, traffic generation apparatus, and traffic generation method | Naoyuki Tanji, Toshihiko Seki | 2025-01-07 |
| 11936540 | System determination apparatus, system determination method and system determination program | Toshihiko Seki, Naoyuki Tanji | 2024-03-19 |
| 11882015 | Estimation system, addition apparatus, estimation method, addition method, estimation program and addition program | Toshihiko Seki, Naoyuki Tanji | 2024-01-23 |
| 11831532 | Timestamp correction apparatus, time stamp correction method, and program | Toshihiko Seki, Naoyuki Tanji | 2023-11-28 |
| 11765042 | Traffic application amount calculation apparatus, method and program | Toshihiko Seki, Naoyuki Tanji | 2023-09-19 |
| 11720092 | Maintenance management system and data processing method | Osamu Okino, Toshihiko Seki, Hiroyuki Oyanagi | 2023-08-08 |
| 11431575 | Network system, topology management method, and program | Miwaka OTANI | 2022-08-30 |
| 11201687 | Optical transmission system and wavelength allocation method | Toshihiko Seki, Osamu Okino, Hiroyuki Oyanagi | 2021-12-14 |