- All sections
- H - Electricity
- H04B - Transmission
- H04B 10/079 - Arrangements for monitoring or testing transmission systems; Arrangements 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: 2440
10-year publication summary
|
194
|
277
|
331
|
281
|
266
|
285
|
210
|
235
|
227
|
65
|
| 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 |
220 |
| Fujitsu Limited | 19265 |
190 |
| NEC Corporation | 32703 |
149 |
| Ciena Corporation | 1927 |
132 |
| Nippon Telegraph and Telephone Corporation | 14195 |
95 |
| ZTE Corporation | 39218 |
85 |
| Cisco Technology, Inc. | 18858 |
54 |
| Marvell Asia PTE, Ltd. | 6841 |
44 |
| Ericsson | 20417 |
35 |
| II-VI Delaware, Inc. | 1720 |
35 |
| Juniper Networks, Inc. | 3556 |
34 |
| Infinera Corporation | 620 |
34 |
| Mitsubishi Electric Corporation | 43934 |
33 |
| Cavium International | 5549 |
33 |
| Viavi Solutions Inc. | 1363 |
31 |
| AT&T Intellectual Property I, L.P. | 9886 |
23 |
| Nokia Solutions And Networks Oy | 5698 |
22 |
| X Development LLC | 1453 |
22 |
| Google LLC | 38759 |
21 |
| Telefonaktiebolaget LM Ericsson (publ) | 26435 |
20 |
| Other owners | 1128 |