- 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: 3186
10-year publication summary
|
313
|
261
|
256
|
204
|
164
|
180
|
156
|
79
|
107
|
14
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 90013 |
191 |
| Samsung Electronics Co., Ltd. | 153357 |
173 |
| META Platforms, Inc. | 6912 |
99 |
| Huawei Technologies Co., Ltd. | 119724 |
88 |
| Microsoft Technology Licensing, LLC | 54202 |
87 |
| ZTE Corporation | 43559 |
69 |
| Apple Inc. | 58024 |
63 |
| Nokia Technologies Oy | 20211 |
57 |
| Ericsson | 22261 |
49 |
| Google LLC | 43702 |
48 |
| AT&T Intellectual Property I, L.P. | 9833 |
40 |
| Telefonaktiebolaget LM Ericsson (publ) | 28615 |
39 |
| LG Electronics Inc. | 74878 |
38 |
| Tencent Technology (Shenzhen) Company Limited | 15618 |
35 |
| International Business Machines Corporation | 62153 |
33 |
| Malikie Innovations Limited | 6687 |
32 |
| Verizon Patent And Licensing Inc. | 7481 |
31 |
| T-Mobile USA, Inc. | 4374 |
31 |
| Headwater Research LLC | 314 |
29 |
| Sony Corporation | 30451 |
27 |
| Other owners | 1927 |