- 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: 27994
10-year publication summary
|
1815
|
1854
|
1832
|
1640
|
1291
|
1125
|
1009
|
858
|
620
|
180
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cisco Technology, Inc. | 22347 |
1168 |
| Huawei Technologies Co., Ltd. | 120661 |
1095 |
| Samsung Electronics Co., Ltd. | 154406 |
977 |
| LG Electronics Inc. | 75112 |
546 |
| Google LLC | 43952 |
469 |
| Ericsson | 22319 |
456 |
| Qualcomm Incorporated | 90545 |
425 |
| ZTE Corporation | 43659 |
363 |
| Avago Technologies International Sales Pte. Limited | 8602 |
349 |
| Juniper Networks, Inc. | 3779 |
345 |
| Intel Corporation | 46700 |
331 |
| Sumitomo Electric Industries, Ltd. | 16126 |
300 |
| Sumitomo Wiring Systems, Ltd. | 10798 |
271 |
| Hewlett Packard Enterprise Development LP | 10902 |
267 |
| AutoNetworks Technologies, Ltd. | 6951 |
267 |
| Apple Inc. | 58181 |
262 |
| Mitsubishi Electric Corporation | 47655 |
260 |
| ARRIS Enterprises LLC | 3438 |
260 |
| NEC Corporation | 36702 |
259 |
| Sonos, Inc. | 2803 |
248 |
| Other owners | 19076 |