- 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: 27692
10-year publication summary
|
1815
|
1855
|
1832
|
1640
|
1291
|
1125
|
1013
|
862
|
623
|
278
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cisco Technology, Inc. | 22488 |
1149 |
| Huawei Technologies Co., Ltd. | 122871 |
1064 |
| Samsung Electronics Co., Ltd. | 157300 |
979 |
| LG Electronics Inc. | 75591 |
543 |
| Google LLC | 44448 |
471 |
| Ericsson | 22598 |
454 |
| Qualcomm Incorporated | 91834 |
411 |
| ZTE Corporation | 44075 |
365 |
| Avago Technologies International Sales Pte. Limited | 8562 |
346 |
| Juniper Networks, Inc. | 3731 |
339 |
| Intel Corporation | 47063 |
316 |
| Sumitomo Electric Industries, Ltd. | 16303 |
306 |
| Sumitomo Wiring Systems, Ltd. | 10974 |
277 |
| AutoNetworks Technologies, Ltd. | 7079 |
273 |
| Apple Inc. | 58621 |
262 |
| ARRIS Enterprises LLC | 3414 |
262 |
| Hewlett Packard Enterprise Development LP | 11015 |
261 |
| Mitsubishi Electric Corporation | 47943 |
258 |
| Sonos, Inc. | 2848 |
249 |
| NEC Corporation | 36860 |
238 |
| Other owners | 18869 |