- 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: 7756
10-year publication summary
|
417
|
438
|
479
|
532
|
481
|
369
|
359
|
259
|
163
|
31
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 118879 |
363 |
| Cisco Technology, Inc. | 22239 |
244 |
| VMware LLC | 6827 |
201 |
| NEC Corporation | 36475 |
151 |
| Ericsson | 22203 |
150 |
| Samsung Electronics Co., Ltd. | 152304 |
140 |
| ZTE Corporation | 43451 |
137 |
| Microsoft Technology Licensing, LLC | 54220 |
119 |
| AT&T Intellectual Property I, L.P. | 9811 |
117 |
| Intel Corporation | 46597 |
95 |
| Verizon Patent And Licensing Inc. | 7420 |
85 |
| Qualcomm Incorporated | 89294 |
72 |
| CenturyLink Intellectual Property LLC | 1273 |
71 |
| Hewlett Packard Enterprise Development LP | 10814 |
64 |
| Nippon Telegraph and Telephone Corporation | 16263 |
63 |
| Comcast Cable Communications, LLC | 5004 |
63 |
| LG Electronics Inc. | 74619 |
61 |
| Avago Technologies International Sales Pte. Limited | 8632 |
61 |
| Nokia Technologies Oy | 19888 |
58 |
| Amazon Technologies, Inc. | 27555 |
57 |
| Other owners | 5384 |