- All sections
- H - Electricity
- H04B - Transmission
- H04B 10/073 - Arrangements for monitoring or testing transmission systemsArrangements for fault measurement of transmission systems using an out-of-service signal
Patent holdings for IPC class H04B 10/073
Total number of patents in this class: 386
10-year publication summary
|
22
|
46
|
32
|
25
|
27
|
36
|
35
|
34
|
35
|
23
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NEC Corporation | 37004 |
28 |
| Nippon Telegraph and Telephone Corporation | 15924 |
22 |
| Huawei Technologies Co., Ltd. | 123385 |
16 |
| Ciena Corporation | 2178 |
16 |
| Ntt, Inc. | 4133 |
15 |
| Viavi Solutions Inc. | 1524 |
13 |
| ZTE Corporation | 44170 |
11 |
| Cisco Technology, Inc. | 22493 |
10 |
| Radius Universal LLC | 21 |
9 |
| Mitsubishi Electric Corporation | 48018 |
8 |
| Teradyne, Inc. | 515 |
8 |
| EXFO Inc. | 164 |
7 |
| Rambus Inc. | 2245 |
6 |
| II-VI Delaware, Inc. | 1623 |
5 |
| Mellanox Technologies Ltd. | 1640 |
5 |
| Panduit Corp. | 1017 |
5 |
| X Development LLC | 1392 |
5 |
| Ericsson | 22717 |
4 |
| Intel Corporation | 47106 |
4 |
| Fujitsu Limited | 16874 |
4 |
| Other owners | 185 |