- 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: 2647
10-year publication summary
|
277
|
331
|
281
|
266
|
285
|
211
|
239
|
236
|
206
|
83
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 109214 |
250 |
| Fujitsu Limited | 18304 |
192 |
| NEC Corporation | 34993 |
170 |
| Ciena Corporation | 2002 |
150 |
| Nippon Telegraph and Telephone Corporation | 16861 |
109 |
| ZTE Corporation | 41673 |
94 |
| Cisco Technology, Inc. | 19551 |
57 |
| Marvell Asia PTE, Ltd. | 6563 |
46 |
| Infinera Corporation | 635 |
38 |
| II-VI Delaware, Inc. | 1693 |
37 |
| Ericsson | 21359 |
35 |
| Mitsubishi Electric Corporation | 45414 |
35 |
| Juniper Networks, Inc. | 3671 |
34 |
| Cavium International | 5112 |
32 |
| Viavi Solutions Inc. | 1401 |
31 |
| Nokia Solutions And Networks Oy | 6444 |
26 |
| Telefonaktiebolaget LM Ericsson (publ) | 27650 |
23 |
| Google LLC | 41705 |
22 |
| AT&T Intellectual Property I, L.P. | 9411 |
21 |
| International Business Machines Corporation | 60597 |
20 |
| Other owners | 1225 |