- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 5/20 - Arrangements affording multiple use of the transmission path using different combinations of lines, e.g. phantom working
Patent holdings for IPC class H04L 5/20
Total number of patents in this class: 69
10-year publication summary
|
5
|
4
|
4
|
4
|
1
|
3
|
1
|
2
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 88827 |
12 |
| British Telecommunications Public Limited Company | 2644 |
7 |
| Apple Inc. | 57166 |
3 |
| Panduit Corp. | 1015 |
3 |
| Huawei Technologies Co., Ltd. | 118145 |
2 |
| Visa International Service Association | 4840 |
2 |
| Cambium Networks Limited | 197 |
2 |
| CommScope, Inc. of North Carolina | 490 |
2 |
| Rosenberger Hochfrequenztechnik GmbH & Co. KG | 688 |
2 |
| Alcatel Lucent | 4438 |
2 |
| Telefonaktiebolaget LM Ericsson (publ) | 28541 |
2 |
| Universal Connectivity Technologies Inc. | 22 |
2 |
| The Boeing Company | 20106 |
1 |
| Ericsson | 22156 |
1 |
| Texas Instruments Incorporated | 19542 |
1 |
| Cisco Technology, Inc. | 22218 |
1 |
| Electronics and Telecommunications Research Institute | 9435 |
1 |
| Diseño de Sistemas en Silicio, S.A. | 11 |
1 |
| National Semiconductor Corporation | 932 |
1 |
| ZTE Corporation | 43386 |
1 |
| Other owners | 20 |