- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 12/64 - Hybrid switching systems
Patent holdings for IPC class H04L 12/64
Total number of patents in this class: 1650
10-year publication summary
|
273
|
337
|
236
|
113
|
111
|
93
|
59
|
46
|
26
|
5
|
| 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 |
149 |
| Cisco Technology, Inc. | 18858 |
61 |
| Hewlett Packard Enterprise Development LP | 10702 |
61 |
| ZTE Corporation | 39218 |
40 |
| Samsung Electronics Co., Ltd. | 131630 |
37 |
| International Business Machines Corporation | 60644 |
30 |
| AT&T Intellectual Property I, L.P. | 9886 |
23 |
| Ericsson | 20417 |
23 |
| Microsoft Technology Licensing, LLC | 51439 |
23 |
| NEC Corporation | 32703 |
20 |
| Qualcomm Incorporated | 76576 |
18 |
| Intel Corporation | 45621 |
17 |
| Avago Technologies International Sales Pte. Limited | 9260 |
17 |
| Pismo Labs Technology Limited | 241 |
15 |
| Apple Inc. | 50209 |
14 |
| Verizon Patent And Licensing Inc. | 6900 |
13 |
| Telefonaktiebolaget LM Ericsson (publ) | 26435 |
13 |
| Fujitsu Limited | 19265 |
12 |
| Futurewei Technologies, Inc. | 3708 |
12 |
| Google LLC | 38759 |
12 |
| Other owners | 1040 |