- 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: 7536
10-year publication summary
|
434
|
451
|
494
|
555
|
495
|
378
|
373
|
280
|
180
|
100
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 124115 |
337 |
| Cisco Technology, Inc. | 22555 |
231 |
| VMware LLC | 6974 |
202 |
| NEC Corporation | 37168 |
148 |
| Ericsson | 22880 |
147 |
| ZTE Corporation | 44255 |
133 |
| Samsung Electronics Co., Ltd. | 158442 |
129 |
| AT&T Intellectual Property I, L.P. | 10002 |
115 |
| Microsoft Technology Licensing, LLC | 54510 |
106 |
| Intel Corporation | 47178 |
90 |
| Verizon Patent And Licensing Inc. | 7668 |
84 |
| Qualcomm Incorporated | 92859 |
72 |
| Hewlett Packard Enterprise Development LP | 11510 |
71 |
| CenturyLink Intellectual Property LLC | 1280 |
71 |
| Comcast Cable Communications, LLC | 5199 |
65 |
| LG Electronics Inc. | 75855 |
61 |
| Nippon Telegraph and Telephone Corporation | 15939 |
61 |
| Nokia Technologies Oy | 21475 |
59 |
| Amazon Technologies, Inc. | 28193 |
58 |
| Avago Technologies International Sales Pte. Limited | 8534 |
58 |
| Other owners | 5238 |