- All sections
- H - Electricity
- H04W - Wireless communication networks
- H04W 4/20 - Services signallingAuxiliary data signalling, i.e. transmitting data via a non-traffic channel
Patent holdings for IPC class H04W 4/20
Total number of patents in this class: 3191
10-year publication summary
|
318
|
268
|
265
|
206
|
169
|
181
|
159
|
80
|
107
|
33
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 92196 |
190 |
| Samsung Electronics Co., Ltd. | 157719 |
175 |
| META Platforms, Inc. | 6874 |
99 |
| Huawei Technologies Co., Ltd. | 123385 |
94 |
| Microsoft Technology Licensing, LLC | 54466 |
86 |
| ZTE Corporation | 44170 |
69 |
| Apple Inc. | 58742 |
64 |
| Nokia Technologies Oy | 21106 |
57 |
| Ericsson | 22717 |
49 |
| Google LLC | 44482 |
47 |
| AT&T Intellectual Property I, L.P. | 9995 |
40 |
| Telefonaktiebolaget LM Ericsson (publ) | 28758 |
39 |
| LG Electronics Inc. | 75694 |
38 |
| Tencent Technology (Shenzhen) Company Limited | 15963 |
35 |
| International Business Machines Corporation | 62634 |
33 |
| Malikie Innovations Limited | 6455 |
32 |
| Verizon Patent And Licensing Inc. | 7560 |
31 |
| T-Mobile USA, Inc. | 4497 |
31 |
| Headwater Research LLC | 316 |
29 |
| Sony Corporation | 30181 |
27 |
| Other owners | 1926 |