- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 45/50 - Routing or path finding of packets in data switching networks using label swapping, e.g. multi-protocol label switch [MPLS]
Patent holdings for IPC class H04L 45/50
Total number of patents in this class: 836
10-year publication summary
|
8
|
5
|
9
|
10
|
96
|
163
|
173
|
182
|
125
|
67
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cisco Technology, Inc. | 19918 |
164 |
| Huawei Technologies Co., Ltd. | 112438 |
144 |
| Juniper Networks, Inc. | 3734 |
67 |
| ZTE Corporation | 42423 |
60 |
| Ciena Corporation | 2030 |
37 |
| VMware LLC | 6936 |
32 |
| Nokia Solutions And Networks Oy | 6586 |
28 |
| Arista Networks, Inc. | 1094 |
21 |
| Microsoft Technology Licensing, LLC | 53720 |
20 |
| Arrcus, Inc. | 103 |
20 |
| Ericsson | 21747 |
15 |
| Futurewei Technologies, Inc. | 3754 |
13 |
| Level 3 Communications, LLC | 1262 |
13 |
| AT&T Intellectual Property I, L.P. | 9508 |
12 |
| Nippon Telegraph and Telephone Corporation | 17341 |
10 |
| Intel Corporation | 46962 |
9 |
| Verizon Patent And Licensing Inc. | 7098 |
9 |
| Hewlett Packard Enterprise Development LP | 10727 |
9 |
| Amazon Technologies, Inc. | 26677 |
6 |
| Comcast Cable Communications, LLC | 4712 |
5 |
| Other owners | 142 |