- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 41/0677 - Localisation of faults
Patent holdings for IPC class H04L 41/0677
Total number of patents in this class: 373
10-year publication summary
|
0
|
1
|
5
|
11
|
25
|
53
|
64
|
90
|
61
|
61
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 113006 |
36 |
| Cisco Technology, Inc. | 19950 |
27 |
| Qualcomm Incorporated | 85550 |
17 |
| Juniper Networks, Inc. | 3737 |
17 |
| ZTE Corporation | 42552 |
15 |
| AT&T Intellectual Property I, L.P. | 9520 |
13 |
| Microsoft Technology Licensing, LLC | 53739 |
13 |
| Nippon Telegraph and Telephone Corporation | 17349 |
13 |
| Jio Platforms Limited | 1365 |
11 |
| Telefonaktiebolaget LM Ericsson (publ) | 28022 |
10 |
| Intel Corporation | 47013 |
8 |
| Ericsson | 21778 |
6 |
| International Business Machines Corporation | 61287 |
5 |
| Ciena Corporation | 2037 |
5 |
| Hewlett Packard Enterprise Development LP | 10727 |
5 |
| Elisa Oyj | 286 |
5 |
| Rakuten Mobile, Inc. | 1022 |
5 |
| Samsung Electronics Co., Ltd. | 146534 |
4 |
| LG Electronics Inc. | 73210 |
3 |
| Oracle International Corporation | 12952 |
3 |
| Other owners | 152 |