- 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: 7675
10-year publication summary
|
417
|
438
|
479
|
532
|
481
|
369
|
361
|
265
|
167
|
43
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 119891 |
358 |
| Cisco Technology, Inc. | 22256 |
237 |
| VMware LLC | 6825 |
202 |
| Ericsson | 22283 |
150 |
| NEC Corporation | 36611 |
148 |
| ZTE Corporation | 43576 |
135 |
| Samsung Electronics Co., Ltd. | 153573 |
133 |
| AT&T Intellectual Property I, L.P. | 9831 |
116 |
| Microsoft Technology Licensing, LLC | 54215 |
114 |
| Intel Corporation | 46638 |
92 |
| Verizon Patent And Licensing Inc. | 7487 |
86 |
| Qualcomm Incorporated | 90109 |
73 |
| CenturyLink Intellectual Property LLC | 1276 |
71 |
| Comcast Cable Communications, LLC | 5028 |
64 |
| Hewlett Packard Enterprise Development LP | 10864 |
63 |
| LG Electronics Inc. | 74953 |
62 |
| Nippon Telegraph and Telephone Corporation | 16002 |
61 |
| Avago Technologies International Sales Pte. Limited | 8600 |
60 |
| Nokia Technologies Oy | 20244 |
58 |
| Amazon Technologies, Inc. | 27683 |
57 |
| Other owners | 5335 |