- All sections
- H - Electricity
- H04W - Wireless communication networks
- H04W 40/04 - Communication route or path selection, e.g. power-based or shortest path routing based on wireless node resources
Patent holdings for IPC class H04W 40/04
Total number of patents in this class: 478
10-year publication summary
|
43
|
50
|
35
|
57
|
52
|
50
|
24
|
45
|
42
|
20
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 100781 |
26 |
| Qualcomm Incorporated | 76576 |
23 |
| Samsung Electronics Co., Ltd. | 131630 |
17 |
| Cisco Technology, Inc. | 18858 |
14 |
| Sony Corporation | 32931 |
13 |
| AT&T Intellectual Property I, L.P. | 9886 |
12 |
| NEC Corporation | 32703 |
10 |
| Sony Group Corporation | 10730 |
10 |
| Ericsson | 20417 |
9 |
| CenturyLink Intellectual Property LLC | 1130 |
9 |
| Telefonaktiebolaget LM Ericsson (publ) | 26435 |
9 |
| LG Electronics Inc. | 69257 |
8 |
| Interdigital Patent Holdings, Inc. | 3652 |
8 |
| Parallel Wireless, Inc. | 489 |
8 |
| L3vel, LLC | 44 |
8 |
| ZTE Corporation | 39218 |
7 |
| T-Mobile Innovations LLC | 3213 |
7 |
| Apple Inc. | 50209 |
6 |
| Itron, Inc. | 815 |
6 |
| Level 3 Communications, LLC | 1428 |
6 |
| Other owners | 262 |