Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11140021 | Method and apparatus for determining fault type | Caifeng HE, Jianfeng Zhang | 2021-10-05 |
| 10917315 | Network service quality evaluation method and system, and network device | Caifeng HE, Deti Liu | 2021-02-09 |