- 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: 32050
10-year publication summary
|
2090
|
1961
|
1995
|
1810
|
1851
|
1823
|
1612
|
1189
|
959
|
340
|
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cisco Technology, Inc. | 18687 |
1511 |
| Huawei Technologies Co., Ltd. | 91672 |
1270 |
| Samsung Electronics Co., Ltd. | 123340 |
974 |
| LG Electronics Inc. | 67565 |
599 |
| Qualcomm Incorporated | 70338 |
566 |
| Ericsson | 19816 |
521 |
| Intel Corporation | 46078 |
485 |
| Avago Technologies International Sales Pte. Limited | 10267 |
465 |
| Google LLC | 36031 |
426 |
| Juniper Networks, Inc. | 3400 |
403 |
| ZTE Corporation | 36993 |
388 |
| NEC Corporation | 30702 |
338 |
| Nokia Corporation | 7823 |
326 |
| Hewlett Packard Enterprise Development LP | 10901 |
309 |
| AT&T Intellectual Property I, L.P. | 11373 |
308 |
| Microsoft Technology Licensing, LLC | 48371 |
273 |
| International Business Machines Corporation | 63166 |
266 |
| Telefonaktiebolaget LM Ericsson (publ) | 25155 |
259 |
| Apple Inc. | 46256 |
250 |
| ARRIS Enterprises LLC | 3766 |
246 |
| Other owners | 21867 |