- 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
|
81
|
107
|
55
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 94096 |
190 |
| Samsung Electronics Co., Ltd. | 159978 |
175 |
| META Platforms, Inc. | 6912 |
99 |
| Huawei Technologies Co., Ltd. | 125807 |
98 |
| Microsoft Technology Licensing, LLC | 54719 |
86 |
| ZTE Corporation | 44416 |
68 |
| Apple Inc. | 59562 |
64 |
| Nokia Technologies Oy | 22085 |
57 |
| Ericsson | 23154 |
50 |
| Google LLC | 44992 |
47 |
| AT&T Intellectual Property I, L.P. | 10076 |
40 |
| Telefonaktiebolaget LM Ericsson (publ) | 29015 |
39 |
| LG Electronics Inc. | 76283 |
38 |
| Tencent Technology (Shenzhen) Company Limited | 16280 |
35 |
| International Business Machines Corporation | 62897 |
33 |
| Malikie Innovations Limited | 6316 |
32 |
| Verizon Patent And Licensing Inc. | 7706 |
31 |
| T-Mobile USA, Inc. | 4566 |
31 |
| Headwater Research LLC | 320 |
30 |
| Sony Corporation | 29841 |
27 |
| Other owners | 1921 |