- 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: 207
10-year publication summary
|
27
|
32
|
29
|
18
|
18
|
9
|
8
|
5
|
4
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| British Telecommunications Public Limited Company | 2600 |
17 |
| Huawei Technologies Co., Ltd. | 123282 |
15 |
| Intel Corporation | 47102 |
12 |
| Marvell Asia PTE, Ltd. | 6313 |
11 |
| Futurewei Technologies, Inc. | 3783 |
8 |
| Qualcomm Incorporated | 91997 |
7 |
| RPX Corporation | 1149 |
7 |
| Ericsson | 22660 |
6 |
| Alcatel Lucent SA | 1539 |
6 |
| Cisco Technology, Inc. | 22491 |
5 |
| Cable Television Laboratories, Inc. | 1098 |
5 |
| International Business Machines Corporation | 62621 |
4 |
| Micron Technology, Inc. | 27626 |
4 |
| Viavi Solutions Inc. | 1533 |
4 |
| Cavium International | 4672 |
4 |
| The Boeing Company | 20160 |
3 |
| AT&T Intellectual Property I, L.P. | 9993 |
3 |
| Nokia Solutions And Networks Oy | 7196 |
3 |
| Adaptive Spectrum and Signal Alignment, Inc. | 100 |
3 |
| Adtran, Inc. | 405 |
3 |
| Other owners | 77 |