- 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: 2072
10-year publication summary
|
109
|
111
|
98
|
98
|
70
|
52
|
58
|
31
|
28
|
20
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 125807 |
162 |
| ZTE Corporation | 44416 |
86 |
| Cisco Technology, Inc. | 22697 |
79 |
| VMware LLC | 6965 |
65 |
| Avago Technologies International Sales Pte. Limited | 8513 |
64 |
| Hewlett Packard Enterprise Development LP | 12502 |
49 |
| Intel Corporation | 46360 |
45 |
| Ericsson | 23154 |
41 |
| Telefonaktiebolaget LM Ericsson (publ) | 29015 |
41 |
| Google LLC | 44992 |
32 |
| Marvell Asia PTE, Ltd. | 6232 |
32 |
| Cavium International | 4527 |
28 |
| AT&T Intellectual Property I, L.P. | 10076 |
27 |
| Samsung Electronics Co., Ltd. | 159978 |
26 |
| Qualcomm Incorporated | 94096 |
26 |
| Microsoft Technology Licensing, LLC | 54719 |
26 |
| Alcatel Lucent | 4272 |
23 |
| NEC Corporation | 37589 |
19 |
| Fujitsu Limited | 16810 |
18 |
| Oracle International Corporation | 13775 |
17 |
| Other owners | 1166 |