- All sections
- H - Electricity
- H04W - Wireless communication networks
- H04W 4/20 - Services signalling; Auxiliary 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: 3125
10-year publication summary
469
|
453
|
318
|
268
|
266
|
206
|
167
|
172
|
158
|
33
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Qualcomm Incorporated | 76576 |
178 |
Samsung Electronics Co., Ltd. | 131630 |
175 |
META Platforms, Inc. | 7514 |
105 |
Microsoft Technology Licensing, LLC | 51439 |
90 |
Huawei Technologies Co., Ltd. | 100781 |
80 |
ZTE Corporation | 39218 |
64 |
Apple Inc. | 50209 |
58 |
Nokia Technologies Oy | 15057 |
56 |
Google LLC | 38759 |
48 |
Ericsson | 20417 |
47 |
LG Electronics Inc. | 69257 |
39 |
Telefonaktiebolaget LM Ericsson (publ) | 26435 |
39 |
AT&T Intellectual Property I, L.P. | 9886 |
38 |
Tencent Technology (Shenzhen) Company Limited | 12951 |
34 |
Malikie Innovations Limited | 7703 |
34 |
International Business Machines Corporation | 60644 |
33 |
Verizon Patent And Licensing Inc. | 6900 |
32 |
T-Mobile USA, Inc. | 3668 |
30 |
Sony Corporation | 32931 |
28 |
NEC Corporation | 32703 |
25 |
Other owners | 1892 |