- 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: 1882
10-year publication summary
|
424
|
159
|
13
|
5
|
1
|
0
|
1
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Motorola Solutions, Inc. | 4583 |
102 |
| Qualcomm Incorporated | 91834 |
101 |
| Samsung Electronics Co., Ltd. | 157300 |
56 |
| AT&T Intellectual Property I, L.P. | 9988 |
54 |
| Apple Inc. | 58621 |
51 |
| Huawei Technologies Co., Ltd. | 122871 |
50 |
| Telefonaktiebolaget LM Ericsson (publ) | 28736 |
46 |
| ZTE Corporation | 44075 |
45 |
| Ericsson | 22598 |
42 |
| LG Electronics Inc. | 75591 |
37 |
| T-Mobile USA, Inc. | 4488 |
34 |
| Verizon Patent And Licensing Inc. | 7553 |
32 |
| NEC Corporation | 36860 |
31 |
| Malikie Innovations Limited | 6489 |
29 |
| AT&T Mobility II LLC | 1897 |
27 |
| NTT DoCoMo, Inc. | 14621 |
26 |
| TeleCommunication Systems, Inc. | 217 |
25 |
| Intel Corporation | 47063 |
24 |
| Rivada Networks, Inc. | 58 |
24 |
| Nokia Technologies Oy | 21020 |
23 |
| Other owners | 1023 |