- All sections
- H - Electricity
- H04B - Transmission
- H04B 3/487 - Testing crosstalk effects
Patent holdings for IPC class H04B 3/487
Total number of patents in this class: 205
10-year publication summary
|
36
|
27
|
32
|
29
|
18
|
18
|
9
|
8
|
5
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| British Telecommunications Public Limited Company | 2621 |
17 |
| Huawei Technologies Co., Ltd. | 111975 |
15 |
| Intel Corporation | 46949 |
12 |
| Marvell Asia PTE, Ltd. | 6552 |
11 |
| Futurewei Technologies, Inc. | 3752 |
8 |
| Qualcomm Incorporated | 84971 |
7 |
| RPX Corporation | 1358 |
7 |
| Ericsson | 21704 |
6 |
| Alcatel Lucent SA | 1595 |
6 |
| Cisco Technology, Inc. | 19860 |
5 |
| Cable Television Laboratories, Inc. | 993 |
5 |
| International Business Machines Corporation | 61207 |
4 |
| Micron Technology, Inc. | 26231 |
4 |
| Viavi Solutions Inc. | 1432 |
4 |
| Cavium International | 5058 |
4 |
| The Boeing Company | 20042 |
3 |
| AT&T Intellectual Property I, L.P. | 9499 |
3 |
| Nokia Solutions And Networks Oy | 6563 |
3 |
| Adaptive Spectrum and Signal Alignment, Inc. | 114 |
3 |
| Adtran, Inc. | 426 |
3 |
| Other owners | 75 |