- 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: 10727
10-year publication summary
|
88
|
40
|
32
|
23
|
14
|
16
|
7
|
4
|
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. | 112316 |
1273 |
| ZTE Corporation | 42295 |
629 |
| Cisco Technology, Inc. | 19900 |
548 |
| Telefonaktiebolaget LM Ericsson (publ) | 27885 |
522 |
| NEC Corporation | 35619 |
386 |
| Qualcomm Incorporated | 85183 |
342 |
| Alcatel Lucent | 4542 |
206 |
| Nokia Corporation | 5652 |
198 |
| Samsung Electronics Co., Ltd. | 145864 |
166 |
| Ericsson | 21733 |
155 |
| Juniper Networks, Inc. | 3734 |
134 |
| Intel Corporation | 46962 |
131 |
| Fujitsu Limited | 18346 |
129 |
| LG Electronics Inc. | 72962 |
114 |
| Avago Technologies International Sales Pte. Limited | 8768 |
112 |
| Nokia Inc. | 1510 |
110 |
| International Business Machines Corporation | 61210 |
102 |
| Panasonic Corporation | 20124 |
94 |
| Lucent Technologies Inc. | 730 |
93 |
| France Telecom | 1248 |
89 |
| Other owners | 5194 |