- 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: 664
10-year publication summary
|
8
|
8
|
5
|
9
|
10
|
94
|
153
|
159
|
175
|
44
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 100781 |
127 |
| Cisco Technology, Inc. | 18858 |
125 |
| Juniper Networks, Inc. | 3556 |
55 |
| ZTE Corporation | 39218 |
40 |
| VMware LLC | 6078 |
27 |
| Ciena Corporation | 1927 |
25 |
| Nokia Solutions And Networks Oy | 5698 |
24 |
| Arrcus, Inc. | 85 |
16 |
| Microsoft Technology Licensing, LLC | 51439 |
15 |
| Ericsson | 20417 |
14 |
| Arista Networks, Inc. | 936 |
14 |
| Futurewei Technologies, Inc. | 3708 |
12 |
| AT&T Intellectual Property I, L.P. | 9886 |
10 |
| Level 3 Communications, LLC | 1428 |
9 |
| Verizon Patent And Licensing Inc. | 6900 |
8 |
| Hewlett Packard Enterprise Development LP | 10702 |
8 |
| Intel Corporation | 45621 |
7 |
| Nippon Telegraph and Telephone Corporation | 14195 |
7 |
| Global Business Software Development Technologies, Inc. | 14 |
4 |
| Adaptiv Networks Inc. | 84 |
4 |
| Other owners | 113 |