- 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: 802
10-year publication summary
|
8
|
5
|
9
|
10
|
96
|
161
|
173
|
181
|
124
|
36
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cisco Technology, Inc. | 19551 |
159 |
| Huawei Technologies Co., Ltd. | 109214 |
144 |
| Juniper Networks, Inc. | 3671 |
65 |
| ZTE Corporation | 41673 |
55 |
| Ciena Corporation | 2002 |
33 |
| VMware LLC | 6901 |
30 |
| Nokia Solutions And Networks Oy | 6444 |
28 |
| Arrcus, Inc. | 102 |
20 |
| Microsoft Technology Licensing, LLC | 53276 |
19 |
| Arista Networks, Inc. | 1061 |
19 |
| Ericsson | 21359 |
14 |
| Futurewei Technologies, Inc. | 3738 |
13 |
| AT&T Intellectual Property I, L.P. | 9411 |
12 |
| Level 3 Communications, LLC | 1240 |
12 |
| Intel Corporation | 46597 |
9 |
| Nippon Telegraph and Telephone Corporation | 16861 |
9 |
| Hewlett Packard Enterprise Development LP | 10678 |
9 |
| Verizon Patent And Licensing Inc. | 7017 |
8 |
| Amazon Technologies, Inc. | 26271 |
6 |
| Comcast Cable Communications, LLC | 4517 |
4 |
| Other owners | 134 |