- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 12/54 - Store-and-forward switching systems
Patent holdings for IPC class H04L 12/54
Total number of patents in this class: 2170
10-year publication summary
|
105
|
110
|
97
|
96
|
69
|
50
|
56
|
30
|
24
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 119637 |
191 |
| ZTE Corporation | 43546 |
87 |
| Cisco Technology, Inc. | 22242 |
81 |
| Avago Technologies International Sales Pte. Limited | 8607 |
65 |
| VMware LLC | 6825 |
65 |
| Intel Corporation | 46673 |
47 |
| Telefonaktiebolaget LM Ericsson (publ) | 28612 |
47 |
| Ericsson | 22247 |
42 |
| Juniper Networks, Inc. | 3785 |
34 |
| Google LLC | 43671 |
32 |
| Marvell Asia PTE, Ltd. | 6353 |
31 |
| Cavium International | 4786 |
29 |
| AT&T Intellectual Property I, L.P. | 9832 |
28 |
| Samsung Electronics Co., Ltd. | 153093 |
27 |
| Qualcomm Incorporated | 89928 |
26 |
| Microsoft Technology Licensing, LLC | 54210 |
26 |
| Alcatel Lucent | 4406 |
26 |
| Hewlett Packard Enterprise Development LP | 10839 |
21 |
| NEC Corporation | 36566 |
20 |
| Fujitsu Limited | 17129 |
19 |
| Other owners | 1226 |