- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 12/715 - Hierarchical routing, e.g. clustered networks or inter-domain routing
Patent holdings for IPC class H04L 12/715
Total number of patents in this class: 2826
10-year publication summary
|
474
|
415
|
409
|
431
|
376
|
221
|
62
|
6
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cisco Technology, Inc. | 19961 |
408 |
| Huawei Technologies Co., Ltd. | 113064 |
254 |
| VMware LLC | 6937 |
177 |
| Ericsson | 21804 |
109 |
| Juniper Networks, Inc. | 3737 |
100 |
| NEC Corporation | 35778 |
91 |
| Telefonaktiebolaget LM Ericsson (publ) | 28095 |
87 |
| Futurewei Technologies, Inc. | 3757 |
82 |
| Hewlett Packard Enterprise Development LP | 10727 |
58 |
| Microsoft Technology Licensing, LLC | 53786 |
56 |
| AT&T Intellectual Property I, L.P. | 9533 |
53 |
| International Business Machines Corporation | 61305 |
45 |
| Oracle International Corporation | 12947 |
42 |
| Amazon Technologies, Inc. | 26762 |
41 |
| Kyndryl, Inc. | 3222 |
41 |
| ZTE Corporation | 42569 |
39 |
| Level 3 Communications, LLC | 1267 |
35 |
| Ciena Corporation | 2032 |
32 |
| Nokia Solutions And Networks Oy | 6682 |
27 |
| Arista Networks, Inc. | 1096 |
25 |
| Other owners | 1024 |