- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 12/755 - Topology update consistency, e.g. link state advertisement [LSA], time stamping or sequence numbers in the updates
Patent holdings for IPC class H04L 12/755
Total number of patents in this class: 382
10-year publication summary
|
31
|
88
|
74
|
59
|
61
|
36
|
23
|
6
|
1
|
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 |
44 |
| Juniper Networks, Inc. | 3556 |
24 |
| Huawei Technologies Co., Ltd. | 100781 |
23 |
| Ericsson | 20417 |
14 |
| ZTE Corporation | 39218 |
11 |
| Oracle International Corporation | 12313 |
10 |
| Nicira, Inc. | 1192 |
10 |
| Hewlett Packard Enterprise Development LP | 10702 |
9 |
| Telefonaktiebolaget LM Ericsson (publ) | 26435 |
9 |
| NEC Corporation | 32703 |
8 |
| Arista Networks, Inc. | 936 |
8 |
| Amazon Technologies, Inc. | 24422 |
7 |
| Futurewei Technologies, Inc. | 3708 |
7 |
| Avago Technologies International Sales Pte. Limited | 9260 |
7 |
| VMware LLC | 6078 |
7 |
| AT&T Intellectual Property I, L.P. | 9886 |
6 |
| Intel Corporation | 45621 |
5 |
| Level 3 Communications, LLC | 1428 |
5 |
| Industrial Technology Research Institute | 4898 |
4 |
| Alcatel Lucent SA | 1723 |
4 |
| Other owners | 160 |