- 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: 9429
10-year publication summary
|
40
|
32
|
23
|
14
|
16
|
7
|
4
|
0
|
0
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 120098 |
1157 |
| ZTE Corporation | 43598 |
614 |
| Cisco Technology, Inc. | 22278 |
470 |
| Telefonaktiebolaget LM Ericsson (publ) | 28616 |
468 |
| NEC Corporation | 36616 |
379 |
| Qualcomm Incorporated | 90221 |
268 |
| Alcatel Lucent | 4383 |
180 |
| Ericsson | 22292 |
150 |
| Samsung Electronics Co., Ltd. | 153845 |
146 |
| Nokia Corporation | 5021 |
146 |
| Juniper Networks, Inc. | 3782 |
124 |
| Fujitsu Limited | 16998 |
117 |
| Intel Corporation | 46680 |
104 |
| LG Electronics Inc. | 74968 |
102 |
| International Business Machines Corporation | 62220 |
96 |
| Avago Technologies International Sales Pte. Limited | 8613 |
94 |
| Panasonic Corporation | 19586 |
88 |
| Nokia Inc. | 1229 |
69 |
| France Telecom | 982 |
67 |
| Lucent Technologies Inc. | 514 |
64 |
| Other owners | 4526 |