- 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: 27330
10-year publication summary
|
1815
|
1855
|
1832
|
1640
|
1291
|
1126
|
1017
|
867
|
633
|
408
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cisco Technology, Inc. | 22656 |
1115 |
| Huawei Technologies Co., Ltd. | 125335 |
1035 |
| Samsung Electronics Co., Ltd. | 159473 |
967 |
| LG Electronics Inc. | 76299 |
535 |
| Hewlett Packard Enterprise Development LP | 11560 |
498 |
| Google LLC | 44900 |
474 |
| Ericsson | 23154 |
443 |
| Qualcomm Incorporated | 93847 |
400 |
| ZTE Corporation | 44331 |
357 |
| Avago Technologies International Sales Pte. Limited | 8522 |
339 |
| Intel Corporation | 46327 |
311 |
| Sumitomo Electric Industries, Ltd. | 16437 |
302 |
| Sumitomo Wiring Systems, Ltd. | 11236 |
287 |
| AutoNetworks Technologies, Ltd. | 7295 |
283 |
| Mitsubishi Electric Corporation | 48460 |
262 |
| ARRIS Enterprises LLC | 3391 |
262 |
| Apple Inc. | 59414 |
261 |
| Sonos, Inc. | 2896 |
252 |
| NEC Corporation | 37532 |
233 |
| Microsoft Technology Licensing, LLC | 54693 |
223 |
| Other owners | 18491 |