- 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: 252
10-year publication summary
|
1
|
0
|
1
|
5
|
11
|
23
|
45
|
59
|
85
|
17
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 100781 |
23 |
| Cisco Technology, Inc. | 18858 |
22 |
| Microsoft Technology Licensing, LLC | 51439 |
11 |
| Qualcomm Incorporated | 76576 |
10 |
| AT&T Intellectual Property I, L.P. | 9886 |
10 |
| Juniper Networks, Inc. | 3556 |
10 |
| Nippon Telegraph and Telephone Corporation | 14195 |
9 |
| ZTE Corporation | 39218 |
8 |
| Intel Corporation | 45621 |
6 |
| Hewlett Packard Enterprise Development LP | 10702 |
5 |
| Telefonaktiebolaget LM Ericsson (publ) | 26435 |
5 |
| International Business Machines Corporation | 60644 |
4 |
| Ericsson | 20417 |
4 |
| Ciena Corporation | 1927 |
4 |
| Samsung Electronics Co., Ltd. | 131630 |
3 |
| LG Electronics Inc. | 69257 |
3 |
| Barefoot Networks, Inc. | 154 |
3 |
| Rakuten Mobile, Inc. | 519 |
3 |
| Canon Inc. | 36841 |
2 |
| Oracle International Corporation | 12313 |
2 |
| Other owners | 105 |