- 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: 2925
10-year publication summary
|
311
|
474
|
415
|
409
|
431
|
381
|
232
|
79
|
9
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cisco Technology, Inc. | 18858 |
413 |
| Huawei Technologies Co., Ltd. | 100781 |
262 |
| Nicira, Inc. | 1192 |
147 |
| Ericsson | 20417 |
115 |
| Juniper Networks, Inc. | 3556 |
105 |
| NEC Corporation | 32703 |
94 |
| Telefonaktiebolaget LM Ericsson (publ) | 26435 |
87 |
| Futurewei Technologies, Inc. | 3708 |
84 |
| AT&T Intellectual Property I, L.P. | 9886 |
61 |
| Hewlett Packard Enterprise Development LP | 10702 |
59 |
| Microsoft Technology Licensing, LLC | 51439 |
57 |
| International Business Machines Corporation | 60644 |
51 |
| VMware LLC | 6078 |
46 |
| Amazon Technologies, Inc. | 24422 |
43 |
| Oracle International Corporation | 12313 |
42 |
| ZTE Corporation | 39218 |
42 |
| Kyndryl, Inc. | 3161 |
39 |
| Level 3 Communications, LLC | 1428 |
37 |
| Ciena Corporation | 1927 |
33 |
| Nokia Solutions And Networks Oy | 5698 |
28 |
| Other owners | 1080 |