- 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: 3228
10-year publication summary
|
533
|
477
|
462
|
379
|
236
|
73
|
11
|
2
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cisco Technology, Inc. | 22202 |
382 |
| Huawei Technologies Co., Ltd. | 117973 |
312 |
| Juniper Networks, Inc. | 3780 |
155 |
| VMware LLC | 6827 |
118 |
| Ericsson | 22142 |
94 |
| Futurewei Technologies, Inc. | 3767 |
79 |
| ZTE Corporation | 43369 |
76 |
| Hewlett Packard Enterprise Development LP | 10791 |
73 |
| Oracle International Corporation | 13196 |
70 |
| International Business Machines Corporation | 61906 |
61 |
| Intel Corporation | 46579 |
60 |
| Telefonaktiebolaget LM Ericsson (publ) | 28541 |
59 |
| Amazon Technologies, Inc. | 27474 |
58 |
| Google LLC | 43412 |
47 |
| Microsoft Technology Licensing, LLC | 54197 |
45 |
| AT&T Intellectual Property I, L.P. | 9758 |
43 |
| NEC Corporation | 36455 |
42 |
| Dell Products L.P. | 15854 |
42 |
| Level 3 Communications, LLC | 1274 |
35 |
| Arista Networks, Inc. | 1173 |
32 |
| Other owners | 1345 |