- 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: 9850
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. | 117695 |
1198 |
| ZTE Corporation | 43337 |
618 |
| Cisco Technology, Inc. | 22159 |
492 |
| Telefonaktiebolaget LM Ericsson (publ) | 28521 |
483 |
| NEC Corporation | 36438 |
383 |
| Qualcomm Incorporated | 88555 |
292 |
| Alcatel Lucent | 4442 |
190 |
| Nokia Corporation | 5231 |
165 |
| Samsung Electronics Co., Ltd. | 151017 |
154 |
| Ericsson | 22114 |
153 |
| Juniper Networks, Inc. | 3780 |
127 |
| Fujitsu Limited | 17364 |
120 |
| Intel Corporation | 46576 |
115 |
| LG Electronics Inc. | 74262 |
109 |
| International Business Machines Corporation | 61904 |
97 |
| Avago Technologies International Sales Pte. Limited | 8643 |
97 |
| Panasonic Corporation | 19890 |
91 |
| Nokia Inc. | 1314 |
79 |
| Lucent Technologies Inc. | 589 |
77 |
| France Telecom | 1079 |
76 |
| Other owners | 4734 |