- All sections
- H - Electricity
- H04B - Transmission
- H04B 10/079 - Arrangements for monitoring or testing transmission systemsArrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
Patent holdings for IPC class H04B 10/079
Total number of patents in this class: 2861
10-year publication summary
|
329
|
278
|
261
|
281
|
210
|
242
|
239
|
208
|
227
|
56
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 119623 |
278 |
| NEC Corporation | 36545 |
177 |
| Ciena Corporation | 2101 |
162 |
| Fujitsu Limited | 17131 |
137 |
| Nippon Telegraph and Telephone Corporation | 16247 |
108 |
| ZTE Corporation | 43549 |
98 |
| Cisco Technology, Inc. | 22240 |
60 |
| 1FINITY Inc. | 1123 |
56 |
| Marvell Asia PTE, Ltd. | 6361 |
48 |
| Infinera Corporation | 639 |
46 |
| II-VI Delaware, Inc. | 1633 |
37 |
| Mitsubishi Electric Corporation | 47511 |
36 |
| Ericsson | 22237 |
35 |
| Juniper Networks, Inc. | 3784 |
34 |
| Viavi Solutions Inc. | 1500 |
34 |
| Cavium International | 4793 |
32 |
| Nokia Solutions And Networks Oy | 7015 |
27 |
| LG Electronics Inc. | 74791 |
24 |
| AT&T Intellectual Property I, L.P. | 9832 |
24 |
| Telefonaktiebolaget LM Ericsson (publ) | 28572 |
24 |
| Other owners | 1384 |