- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 41/12 - Discovery or management of network topologies
Patent holdings for IPC class H04L 41/12
Total number of patents in this class: 3017
10-year publication summary
|
28
|
51
|
86
|
235
|
397
|
585
|
590
|
514
|
352
|
112
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cisco Technology, Inc. | 22278 |
228 |
| Huawei Technologies Co., Ltd. | 120098 |
132 |
| VMware LLC | 6827 |
90 |
| Juniper Networks, Inc. | 3782 |
82 |
| Oracle International Corporation | 13457 |
73 |
| Intel Corporation | 46680 |
63 |
| Dell Products L.P. | 16388 |
61 |
| Microsoft Technology Licensing, LLC | 54242 |
56 |
| Amazon Technologies, Inc. | 27705 |
50 |
| AT&T Intellectual Property I, L.P. | 9836 |
45 |
| Hewlett Packard Enterprise Development LP | 10885 |
44 |
| International Business Machines Corporation | 62220 |
39 |
| Ericsson | 22292 |
34 |
| Nippon Telegraph and Telephone Corporation | 15997 |
34 |
| Google LLC | 43789 |
33 |
| ZTE Corporation | 43598 |
32 |
| ServiceNow, Inc. | 2067 |
32 |
| Level 3 Communications, LLC | 1246 |
28 |
| Ciena Corporation | 2146 |
25 |
| Arista Networks, Inc. | 1212 |
24 |
| Other owners | 1812 |