- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 12/56 - Packet switching systems
Patent holdings for IPC class H04L 12/56
Total number of patents in this class: 11471
10-year publication summary
|
88
|
40
|
32
|
23
|
14
|
16
|
7
|
3
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 106762 |
1303 |
| ZTE Corporation | 41061 |
634 |
| Cisco Technology, Inc. | 19347 |
597 |
| Telefonaktiebolaget LM Ericsson (publ) | 27416 |
569 |
| NEC Corporation | 34413 |
398 |
| Qualcomm Incorporated | 81865 |
363 |
| Nokia Corporation | 6163 |
249 |
| Alcatel Lucent | 4614 |
217 |
| Samsung Electronics Co., Ltd. | 139001 |
173 |
| Intel Corporation | 46126 |
157 |
| Ericsson | 21144 |
155 |
| Juniper Networks, Inc. | 3625 |
138 |
| Nokia Inc. | 1708 |
135 |
| Fujitsu Limited | 18405 |
133 |
| LG Electronics Inc. | 71039 |
128 |
| Avago Technologies International Sales Pte. Limited | 8928 |
123 |
| International Business Machines Corporation | 60129 |
104 |
| Lucent Technologies Inc. | 817 |
103 |
| France Telecom | 1425 |
100 |
| Motorola, Inc. | 2386 |
97 |
| Other owners | 5595 |