- 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: 881
10-year publication summary
|
2
|
8
|
9
|
87
|
161
|
171
|
186
|
126
|
88
|
13
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cisco Technology, Inc. | 22238 |
166 |
| Huawei Technologies Co., Ltd. | 119081 |
146 |
| Juniper Networks, Inc. | 3783 |
71 |
| ZTE Corporation | 43468 |
63 |
| Ciena Corporation | 2098 |
40 |
| Nokia Solutions And Networks Oy | 6995 |
29 |
| Arista Networks, Inc. | 1190 |
25 |
| VMware LLC | 6827 |
23 |
| Arrcus, Inc. | 108 |
22 |
| Microsoft Technology Licensing, LLC | 54220 |
21 |
| Ericsson | 22219 |
15 |
| AT&T Intellectual Property I, L.P. | 9815 |
14 |
| Futurewei Technologies, Inc. | 3768 |
13 |
| Level 3 Communications, LLC | 1273 |
13 |
| Verizon Patent And Licensing Inc. | 7431 |
10 |
| Nippon Telegraph and Telephone Corporation | 16263 |
10 |
| Intel Corporation | 46625 |
9 |
| Hewlett Packard Enterprise Development LP | 10817 |
9 |
| VeloCloud Networks, LLC | 119 |
9 |
| Boost SubscriberCo L.L.C. | 728 |
9 |
| Other owners | 164 |