- 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: 9784
10-year publication summary
|
40
|
32
|
23
|
14
|
16
|
7
|
4
|
0
|
0
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 118145 |
1190 |
| ZTE Corporation | 43386 |
617 |
| Cisco Technology, Inc. | 22218 |
489 |
| Telefonaktiebolaget LM Ericsson (publ) | 28541 |
475 |
| NEC Corporation | 36448 |
382 |
| Qualcomm Incorporated | 88827 |
290 |
| Alcatel Lucent | 4438 |
190 |
| Nokia Corporation | 5202 |
161 |
| Samsung Electronics Co., Ltd. | 151485 |
153 |
| Ericsson | 22156 |
153 |
| Juniper Networks, Inc. | 3779 |
127 |
| Fujitsu Limited | 17357 |
120 |
| Intel Corporation | 46569 |
113 |
| LG Electronics Inc. | 74388 |
108 |
| International Business Machines Corporation | 61929 |
97 |
| Avago Technologies International Sales Pte. Limited | 8631 |
97 |
| Panasonic Corporation | 19874 |
91 |
| Nokia Inc. | 1300 |
77 |
| France Telecom | 1062 |
76 |
| Lucent Technologies Inc. | 572 |
75 |
| Other owners | 4703 |