- 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: 8943
10-year publication summary
|
40
|
32
|
23
|
14
|
16
|
7
|
4
|
1
|
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. | 123543 |
1112 |
| ZTE Corporation | 44199 |
612 |
| Cisco Technology, Inc. | 22503 |
446 |
| Telefonaktiebolaget LM Ericsson (publ) | 28825 |
440 |
| NEC Corporation | 37005 |
374 |
| Qualcomm Incorporated | 92416 |
245 |
| Alcatel Lucent | 4326 |
173 |
| Ericsson | 22785 |
145 |
| Samsung Electronics Co., Ltd. | 157946 |
137 |
| Nokia Corporation | 4772 |
125 |
| Fujitsu Limited | 16883 |
116 |
| Juniper Networks, Inc. | 3367 |
102 |
| Intel Corporation | 47122 |
96 |
| LG Electronics Inc. | 75818 |
94 |
| International Business Machines Corporation | 62671 |
93 |
| Avago Technologies International Sales Pte. Limited | 8552 |
87 |
| Panasonic Corporation | 18962 |
84 |
| Hewlett Packard Enterprise Development LP | 11501 |
73 |
| Nokia Siemens Networks Oy | 1510 |
63 |
| France Telecom | 918 |
60 |
| Other owners | 4266 |