- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 12/66 - Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
Patent holdings for IPC class H04L 12/66
Total number of patents in this class: 8393
10-year publication summary
|
421
|
451
|
433
|
451
|
494
|
551
|
489
|
355
|
313
|
76
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 100781 |
421 |
| Cisco Technology, Inc. | 18858 |
282 |
| Ericsson | 20417 |
170 |
| NEC Corporation | 32703 |
164 |
| Samsung Electronics Co., Ltd. | 131630 |
155 |
| ZTE Corporation | 39218 |
141 |
| AT&T Intellectual Property I, L.P. | 9886 |
130 |
| Microsoft Technology Licensing, LLC | 51439 |
129 |
| VMware LLC | 6078 |
120 |
| Nicira, Inc. | 1192 |
108 |
| Intel Corporation | 45621 |
97 |
| Verizon Patent And Licensing Inc. | 6900 |
97 |
| Qualcomm Incorporated | 76576 |
79 |
| Avago Technologies International Sales Pte. Limited | 9260 |
75 |
| Hewlett Packard Enterprise Development LP | 10702 |
67 |
| CenturyLink Intellectual Property LLC | 1130 |
67 |
| LG Electronics Inc. | 69257 |
65 |
| Nokia Technologies Oy | 15057 |
65 |
| Nippon Telegraph and Telephone Corporation | 14195 |
62 |
| Juniper Networks, Inc. | 3556 |
58 |
| Other owners | 5841 |