- 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: 28314
10-year publication summary
|
1764
|
1812
|
1796
|
1607
|
1259
|
1107
|
995
|
841
|
605
|
124
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cisco Technology, Inc. | 22238 |
1184 |
| Huawei Technologies Co., Ltd. | 119081 |
1125 |
| Samsung Electronics Co., Ltd. | 152534 |
981 |
| LG Electronics Inc. | 74705 |
546 |
| Google LLC | 43583 |
468 |
| Ericsson | 22219 |
461 |
| Qualcomm Incorporated | 89428 |
433 |
| ZTE Corporation | 43468 |
366 |
| Avago Technologies International Sales Pte. Limited | 8625 |
355 |
| Juniper Networks, Inc. | 3783 |
352 |
| Intel Corporation | 46625 |
343 |
| Sumitomo Electric Industries, Ltd. | 16017 |
296 |
| Hewlett Packard Enterprise Development LP | 10817 |
268 |
| Sumitomo Wiring Systems, Ltd. | 10724 |
267 |
| NEC Corporation | 36472 |
263 |
| AutoNetworks Technologies, Ltd. | 6891 |
263 |
| ARRIS Enterprises LLC | 3448 |
262 |
| Apple Inc. | 57505 |
260 |
| Mitsubishi Electric Corporation | 47461 |
259 |
| Sonos, Inc. | 2767 |
249 |
| Other owners | 19313 |