- 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: 2336
10-year publication summary
|
156
|
109
|
111
|
98
|
98
|
69
|
50
|
56
|
31
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 110249 |
214 |
| Cisco Technology, Inc. | 19589 |
89 |
| ZTE Corporation | 41858 |
87 |
| Avago Technologies International Sales Pte. Limited | 8857 |
67 |
| VMware LLC | 6910 |
65 |
| Telefonaktiebolaget LM Ericsson (publ) | 27765 |
58 |
| Intel Corporation | 46643 |
45 |
| Ericsson | 21510 |
42 |
| Juniper Networks, Inc. | 3688 |
35 |
| Marvell Asia PTE, Ltd. | 6561 |
35 |
| Cavium International | 5094 |
33 |
| Google LLC | 41645 |
32 |
| AT&T Intellectual Property I, L.P. | 9437 |
31 |
| Alcatel Lucent | 4571 |
29 |
| Qualcomm Incorporated | 84084 |
27 |
| Microsoft Technology Licensing, LLC | 53473 |
27 |
| Samsung Electronics Co., Ltd. | 143303 |
26 |
| Fujitsu Limited | 18336 |
22 |
| Hewlett Packard Enterprise Development LP | 10690 |
21 |
| NEC Corporation | 35219 |
20 |
| Other owners | 1331 |