- 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: 2791
10-year publication summary
|
277
|
329
|
278
|
261
|
281
|
210
|
242
|
237
|
207
|
217
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 115827 |
268 |
| NEC Corporation | 36257 |
176 |
| Ciena Corporation | 2060 |
157 |
| Fujitsu Limited | 17652 |
137 |
| Nippon Telegraph and Telephone Corporation | 16320 |
107 |
| ZTE Corporation | 43054 |
96 |
| Cisco Technology, Inc. | 22112 |
60 |
| 1FINITY Inc. | 780 |
56 |
| Marvell Asia PTE, Ltd. | 6427 |
47 |
| Infinera Corporation | 640 |
45 |
| II-VI Delaware, Inc. | 1649 |
37 |
| Mitsubishi Electric Corporation | 46926 |
36 |
| Ericsson | 21998 |
35 |
| Juniper Networks, Inc. | 3772 |
34 |
| Viavi Solutions Inc. | 1473 |
34 |
| Cavium International | 4918 |
32 |
| Nokia Solutions And Networks Oy | 6872 |
27 |
| LG Electronics Inc. | 73772 |
24 |
| AT&T Intellectual Property I, L.P. | 9677 |
24 |
| Google LLC | 43094 |
23 |
| Other owners | 1336 |