- 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: 28790
10-year publication summary
|
1961
|
1764
|
1812
|
1796
|
1605
|
1257
|
1103
|
990
|
825
|
563
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cisco Technology, Inc. | 22109 |
1231 |
| Huawei Technologies Co., Ltd. | 115556 |
1152 |
| Samsung Electronics Co., Ltd. | 148924 |
987 |
| LG Electronics Inc. | 73678 |
549 |
| Google LLC | 43044 |
473 |
| Ericsson | 21992 |
467 |
| Qualcomm Incorporated | 87475 |
461 |
| ZTE Corporation | 43019 |
371 |
| Avago Technologies International Sales Pte. Limited | 8670 |
360 |
| Juniper Networks, Inc. | 3768 |
359 |
| Intel Corporation | 46445 |
356 |
| NEC Corporation | 36252 |
272 |
| Sumitomo Electric Industries, Ltd. | 15750 |
269 |
| Hewlett Packard Enterprise Development LP | 10768 |
269 |
| ARRIS Enterprises LLC | 3487 |
261 |
| Mitsubishi Electric Corporation | 46870 |
259 |
| Apple Inc. | 56211 |
257 |
| Sumitomo Wiring Systems, Ltd. | 10555 |
254 |
| AutoNetworks Technologies, Ltd. | 6739 |
250 |
| Microsoft Technology Licensing, LLC | 54267 |
246 |
| Other owners | 19687 |