- 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: 1946
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 | 84971 |
105 |
| Motorola Solutions, Inc. | 4404 |
102 |
| Samsung Electronics Co., Ltd. | 145416 |
56 |
| AT&T Intellectual Property I, L.P. | 9499 |
54 |
| Huawei Technologies Co., Ltd. | 111975 |
53 |
| Apple Inc. | 54658 |
51 |
| Telefonaktiebolaget LM Ericsson (publ) | 27855 |
50 |
| ZTE Corporation | 42203 |
45 |
| Ericsson | 21704 |
42 |
| LG Electronics Inc. | 72807 |
40 |
| T-Mobile USA, Inc. | 4077 |
35 |
| NEC Corporation | 35521 |
32 |
| Verizon Patent And Licensing Inc. | 7076 |
32 |
| Malikie Innovations Limited | 7163 |
30 |
| NTT DoCoMo, Inc. | 12863 |
28 |
| AT&T Mobility II LLC | 1856 |
28 |
| TeleCommunication Systems, Inc. | 246 |
26 |
| Intel Corporation | 46949 |
25 |
| Nokia Technologies Oy | 17651 |
24 |
| Rivada Networks, Inc. | 58 |
24 |
| Other owners | 1064 |