- 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: 3381
10-year publication summary
|
468
|
577
|
534
|
477
|
463
|
389
|
253
|
100
|
22
|
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 |
398 |
| Huawei Technologies Co., Ltd. | 100781 |
326 |
| Juniper Networks, Inc. | 3556 |
162 |
| Ericsson | 20417 |
100 |
| Nicira, Inc. | 1192 |
96 |
| Futurewei Technologies, Inc. | 3708 |
82 |
| Hewlett Packard Enterprise Development LP | 10702 |
77 |
| ZTE Corporation | 39218 |
76 |
| Oracle International Corporation | 12313 |
71 |
| Intel Corporation | 45621 |
69 |
| International Business Machines Corporation | 60644 |
67 |
| Amazon Technologies, Inc. | 24422 |
59 |
| Telefonaktiebolaget LM Ericsson (publ) | 26435 |
59 |
| AT&T Intellectual Property I, L.P. | 9886 |
50 |
| Microsoft Technology Licensing, LLC | 51439 |
48 |
| Google LLC | 38759 |
47 |
| NEC Corporation | 32703 |
45 |
| Dell Products L.P. | 11144 |
42 |
| Fujitsu Limited | 19265 |
36 |
| Level 3 Communications, LLC | 1428 |
36 |
| Other owners | 1435 |