- All sections
- H - Electricity
- H04W - Wireless communication networks
- H04W 4/21 - Services signallingAuxiliary data signalling, i.e. transmitting data via a non-traffic channel for social networking applications
Patent holdings for IPC class H04W 4/21
Total number of patents in this class: 1560
10-year publication summary
|
112
|
231
|
267
|
303
|
215
|
183
|
128
|
117
|
77
|
46
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| META Platforms, Inc. | 7097 |
119 |
| Tencent Technology (Shenzhen) Company Limited | 14810 |
54 |
| Samsung Electronics Co., Ltd. | 146811 |
49 |
| Aura Home, Inc. | 91 |
46 |
| International Business Machines Corporation | 61305 |
43 |
| Snap Inc. | 5906 |
43 |
| Apple Inc. | 55174 |
38 |
| PayPal, Inc. | 4114 |
32 |
| Microsoft Technology Licensing, LLC | 53786 |
32 |
| Google LLC | 42333 |
29 |
| Enseo, LLC | 264 |
23 |
| Capital One Services, LLC. | 9194 |
19 |
| Verizon Patent And Licensing Inc. | 7114 |
17 |
| OnePIN, Inc. | 69 |
16 |
| Match Group Americas, LLC | 175 |
16 |
| salesforce.com, inc. | 5624 |
13 |
| Blaze Mobile, Inc. | 35 |
13 |
| AT&T Intellectual Property I, L.P. | 9533 |
12 |
| Qualcomm Incorporated | 85833 |
11 |
| Sony Corporation | 31025 |
11 |
| Other owners | 924 |