- 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: 32704
10-year publication summary
|
2267
|
2089
|
1961
|
1994
|
1809
|
1847
|
1815
|
1590
|
1136
|
851
|
| 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cisco Technology, Inc. | 18810 |
1587 |
| Huawei Technologies Co., Ltd. | 86351 |
1260 |
| Samsung Electronics Co., Ltd. | 118560 |
967 |
| LG Electronics Inc. | 66125 |
592 |
| Qualcomm Incorporated | 67263 |
574 |
| Ericsson | 19385 |
532 |
| Intel Corporation | 45981 |
506 |
| Avago Technologies International Sales Pte. Limited | 9556 |
485 |
| Google LLC | 34802 |
415 |
| Juniper Networks, Inc. | 3301 |
411 |
| ZTE Corporation | 35895 |
401 |
| NEC Corporation | 30008 |
352 |
| Nokia Corporation | 8150 |
346 |
| Hewlett Packard Enterprise Development LP | 10955 |
321 |
| AT&T Intellectual Property I, L.P. | 11194 |
319 |
| Microsoft Technology Licensing, LLC | 47581 |
277 |
| International Business Machines Corporation | 63106 |
275 |
| Telefonaktiebolaget LM Ericsson (publ) | 24405 |
266 |
| Koninklijke Philips Electronics N.V. | 17803 |
262 |
| Apple Inc. | 44635 |
253 |
| Other owners | 22303 |