- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 12/28 - Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
Patent holdings for IPC class H04L 12/28
Total number of patents in this class: 28482
10-year publication summary
|
1764
|
1812
|
1796
|
1605
|
1258
|
1107
|
991
|
833
|
604
|
66
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cisco Technology, Inc. | 22159 |
1201 |
| Huawei Technologies Co., Ltd. | 117695 |
1144 |
| Samsung Electronics Co., Ltd. | 151017 |
986 |
| LG Electronics Inc. | 74262 |
544 |
| Google LLC | 43386 |
473 |
| Ericsson | 22114 |
464 |
| Qualcomm Incorporated | 88555 |
436 |
| ZTE Corporation | 43337 |
369 |
| Juniper Networks, Inc. | 3780 |
355 |
| Avago Technologies International Sales Pte. Limited | 8643 |
354 |
| Intel Corporation | 46576 |
350 |
| Sumitomo Electric Industries, Ltd. | 15941 |
280 |
| Hewlett Packard Enterprise Development LP | 10792 |
268 |
| NEC Corporation | 36438 |
267 |
| Sumitomo Wiring Systems, Ltd. | 10686 |
265 |
| AutoNetworks Technologies, Ltd. | 6858 |
261 |
| Apple Inc. | 56891 |
259 |
| Mitsubishi Electric Corporation | 47302 |
259 |
| ARRIS Enterprises LLC | 3442 |
259 |
| Sonos, Inc. | 2736 |
249 |
| Other owners | 19439 |