- 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: 356
10-year publication summary
|
74
|
59
|
61
|
36
|
22
|
3
|
0
|
0
|
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. | 22491 |
44 |
| Juniper Networks, Inc. | 3721 |
24 |
| Huawei Technologies Co., Ltd. | 123282 |
20 |
| Ericsson | 22660 |
14 |
| VMware LLC | 6831 |
14 |
| ZTE Corporation | 44159 |
11 |
| Oracle International Corporation | 13548 |
10 |
| Hewlett Packard Enterprise Development LP | 11042 |
9 |
| Telefonaktiebolaget LM Ericsson (publ) | 28744 |
9 |
| Arista Networks, Inc. | 1248 |
8 |
| Amazon Technologies, Inc. | 28066 |
7 |
| Futurewei Technologies, Inc. | 3783 |
7 |
| Avago Technologies International Sales Pte. Limited | 8564 |
7 |
| NEC Corporation | 36934 |
6 |
| AT&T Intellectual Property I, L.P. | 9993 |
4 |
| Industrial Technology Research Institute | 5211 |
4 |
| Alcatel Lucent SA | 1539 |
4 |
| Dell Products L.P. | 16972 |
4 |
| Infineon Technologies Americas Corp. | 1936 |
4 |
| Level 3 Communications, LLC | 1251 |
4 |
| Other owners | 142 |