- 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: 2055
10-year publication summary
|
16
|
24
|
27
|
46
|
85
|
224
|
358
|
550
|
538
|
160
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cisco Technology, Inc. | 18858 |
161 |
| Huawei Technologies Co., Ltd. | 100781 |
91 |
| VMware LLC | 6078 |
62 |
| Juniper Networks, Inc. | 3556 |
59 |
| Intel Corporation | 45621 |
44 |
| Amazon Technologies, Inc. | 24422 |
41 |
| Dell Products L.P. | 11144 |
40 |
| Nicira, Inc. | 1192 |
40 |
| Microsoft Technology Licensing, LLC | 51439 |
38 |
| Oracle International Corporation | 12313 |
36 |
| Nippon Telegraph and Telephone Corporation | 14195 |
33 |
| International Business Machines Corporation | 60644 |
31 |
| AT&T Intellectual Property I, L.P. | 9886 |
30 |
| Hewlett Packard Enterprise Development LP | 10702 |
29 |
| Level 3 Communications, LLC | 1428 |
29 |
| ServiceNow, Inc. | 1739 |
24 |
| Google LLC | 38759 |
22 |
| Ericsson | 20417 |
21 |
| ZTE Corporation | 39218 |
19 |
| Arista Networks, Inc. | 936 |
18 |
| Other owners | 1187 |