- 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: 35288
10-year publication summary
|
2269
|
2266
|
2084
|
1953
|
1982
|
1785
|
1793
|
1674
|
1304
|
151
|
| 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cisco Technology, Inc. | 19283 |
1931 |
| Huawei Technologies Co., Ltd. | 68534 |
1165 |
| Samsung Electronics Co., Ltd. | 107772 |
1009 |
| Qualcomm Incorporated | 59101 |
686 |
| LG Electronics Inc. | 61477 |
633 |
| Intel Corporation | 46957 |
591 |
| Avago Technologies International Sales Pte. Limited | 11944 |
580 |
| Ericsson | 17855 |
571 |
| Juniper Networks, Inc. | 3228 |
475 |
| Nokia Corporation | 9643 |
472 |
| ZTE Corporation | 32883 |
421 |
| NEC Corporation | 27438 |
388 |
| Google LLC | 31745 |
380 |
| International Business Machines Corporation | 72126 |
376 |
| Koninklijke Philips Electronics N.V. | 23064 |
373 |
| Fujitsu Limited | 23966 |
371 |
| Hewlett Packard Enterprise Development LP | 12361 |
369 |
| AT&T Intellectual Property I, L.P. | 10770 |
359 |
| Telefonaktiebolaget LM Ericsson (publ) | 21580 |
317 |
| Microsoft Technology Licensing, LLC | 48171 |
308 |
| Other owners | 23513 |