- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 45/021 - Ensuring consistency of routing table updates, e.g. by using epoch numbers
Patent holdings for IPC class H04L 45/021
Total number of patents in this class: 143
10-year publication summary
|
0
|
2
|
0
|
2
|
5
|
13
|
36
|
56
|
21
|
11
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hewlett Packard Enterprise Development LP | 10702 |
36 |
| VMware LLC | 6078 |
17 |
| Cisco Technology, Inc. | 18858 |
11 |
| Huawei Technologies Co., Ltd. | 100781 |
9 |
| Arista Networks, Inc. | 936 |
4 |
| Oracle International Corporation | 12313 |
3 |
| Amazon Technologies, Inc. | 24422 |
3 |
| Juniper Networks, Inc. | 3556 |
3 |
| Red Hat, Inc. | 3719 |
3 |
| Ciena Corporation | 1927 |
3 |
| Avago Technologies International Sales Pte. Limited | 9260 |
3 |
| Intel Corporation | 45621 |
2 |
| ARRIS Enterprises LLC | 3432 |
2 |
| Genetec Inc. | 257 |
2 |
| Level 3 Communications, LLC | 1428 |
2 |
| Nicira, Inc. | 1192 |
2 |
| ViaSat, Inc. | 1508 |
2 |
| Lutron Technology Company LLC | 2300 |
2 |
| Guardian Health, Inc. | 99 |
2 |
| Siemens Canada Limited | 92 |
1 |
| Other owners | 31 |