- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 12/751 - Topology update or discovery
Patent holdings for IPC class H04L 12/751
Total number of patents in this class: 3220
10-year publication summary
|
533
|
477
|
462
|
379
|
236
|
71
|
12
|
2
|
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. | 22584 |
383 |
| Huawei Technologies Co., Ltd. | 124379 |
312 |
| Juniper Networks, Inc. | 3365 |
133 |
| VMware LLC | 6976 |
121 |
| Hewlett Packard Enterprise Development LP | 11519 |
102 |
| Ericsson | 22929 |
93 |
| Futurewei Technologies, Inc. | 3787 |
79 |
| ZTE Corporation | 44288 |
76 |
| Intel Corporation | 47162 |
71 |
| Oracle International Corporation | 13620 |
69 |
| International Business Machines Corporation | 62754 |
61 |
| Telefonaktiebolaget LM Ericsson (publ) | 28872 |
59 |
| Amazon Technologies, Inc. | 28216 |
58 |
| Google LLC | 44674 |
46 |
| Microsoft Technology Licensing, LLC | 54524 |
45 |
| AT&T Intellectual Property I, L.P. | 10013 |
43 |
| Dell Products L.P. | 17129 |
42 |
| Level 3 Communications, LLC | 1243 |
36 |
| NEC Corporation | 37227 |
35 |
| Arista Networks, Inc. | 1261 |
32 |
| Other owners | 1324 |