- All sections
- H - Electricity
- H04W - Wireless communication networks
- H04W 4/22 - Emergency connection handling
Patent holdings for IPC class H04W 4/22
Total number of patents in this class: 1938
10-year publication summary
|
523
|
424
|
159
|
13
|
5
|
1
|
0
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 86023 |
104 |
| Motorola Solutions, Inc. | 4405 |
102 |
| Samsung Electronics Co., Ltd. | 147131 |
56 |
| AT&T Intellectual Property I, L.P. | 9550 |
54 |
| Huawei Technologies Co., Ltd. | 113340 |
53 |
| Apple Inc. | 55287 |
51 |
| Telefonaktiebolaget LM Ericsson (publ) | 28179 |
50 |
| ZTE Corporation | 42628 |
45 |
| Ericsson | 21833 |
42 |
| LG Electronics Inc. | 73393 |
40 |
| T-Mobile USA, Inc. | 4148 |
35 |
| NEC Corporation | 35827 |
32 |
| Verizon Patent And Licensing Inc. | 7120 |
32 |
| Malikie Innovations Limited | 7099 |
30 |
| NTT DoCoMo, Inc. | 13233 |
28 |
| AT&T Mobility II LLC | 1862 |
28 |
| Intel Corporation | 47062 |
25 |
| TeleCommunication Systems, Inc. | 239 |
25 |
| Nokia Technologies Oy | 18187 |
24 |
| Rivada Networks, Inc. | 58 |
24 |
| Other owners | 1058 |