- 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: 2806
10-year publication summary
|
415
|
409
|
431
|
376
|
218
|
60
|
6
|
3
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cisco Technology, Inc. | 22423 |
403 |
| Huawei Technologies Co., Ltd. | 121789 |
254 |
| VMware LLC | 6830 |
172 |
| Ericsson | 22469 |
109 |
| Juniper Networks, Inc. | 3740 |
99 |
| Telefonaktiebolaget LM Ericsson (publ) | 28730 |
87 |
| Futurewei Technologies, Inc. | 3779 |
81 |
| NEC Corporation | 36726 |
69 |
| Hewlett Packard Enterprise Development LP | 11004 |
58 |
| Microsoft Technology Licensing, LLC | 54350 |
56 |
| AT&T Intellectual Property I, L.P. | 9967 |
53 |
| International Business Machines Corporation | 62378 |
45 |
| Oracle International Corporation | 13508 |
42 |
| Amazon Technologies, Inc. | 27949 |
42 |
| Kyndryl, Inc. | 3212 |
41 |
| ZTE Corporation | 43927 |
39 |
| Level 3 Communications, LLC | 1245 |
35 |
| Ciena Corporation | 2172 |
33 |
| Nokia Solutions And Networks Oy | 7166 |
27 |
| Arista Networks, Inc. | 1242 |
25 |
| Other owners | 1036 |