- 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: 3178
10-year publication summary
|
450
|
313
|
261
|
256
|
204
|
164
|
179
|
153
|
79
|
80
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 86346 |
189 |
| Samsung Electronics Co., Ltd. | 147501 |
173 |
| META Platforms, Inc. | 7086 |
99 |
| Microsoft Technology Licensing, LLC | 53891 |
89 |
| Huawei Technologies Co., Ltd. | 113689 |
87 |
| ZTE Corporation | 42693 |
69 |
| Apple Inc. | 55387 |
62 |
| Nokia Technologies Oy | 18229 |
56 |
| Ericsson | 21888 |
49 |
| Google LLC | 42540 |
48 |
| AT&T Intellectual Property I, L.P. | 9576 |
39 |
| Telefonaktiebolaget LM Ericsson (publ) | 28219 |
39 |
| LG Electronics Inc. | 73531 |
38 |
| Tencent Technology (Shenzhen) Company Limited | 14911 |
35 |
| International Business Machines Corporation | 61433 |
33 |
| Malikie Innovations Limited | 7079 |
32 |
| Verizon Patent And Licensing Inc. | 7133 |
31 |
| T-Mobile USA, Inc. | 4167 |
31 |
| Sony Corporation | 30936 |
28 |
| Headwater Research LLC | 296 |
28 |
| Other owners | 1923 |