- 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: 7625
10-year publication summary
|
434
|
451
|
494
|
555
|
495
|
378
|
372
|
275
|
177
|
75
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 121789 |
349 |
| Cisco Technology, Inc. | 22423 |
236 |
| VMware LLC | 6830 |
202 |
| Ericsson | 22469 |
150 |
| NEC Corporation | 36726 |
148 |
| ZTE Corporation | 43927 |
135 |
| Samsung Electronics Co., Ltd. | 156250 |
129 |
| AT&T Intellectual Property I, L.P. | 9967 |
115 |
| Microsoft Technology Licensing, LLC | 54350 |
111 |
| Intel Corporation | 46854 |
90 |
| Verizon Patent And Licensing Inc. | 7543 |
86 |
| Qualcomm Incorporated | 91402 |
72 |
| CenturyLink Intellectual Property LLC | 1281 |
71 |
| Comcast Cable Communications, LLC | 5119 |
64 |
| Hewlett Packard Enterprise Development LP | 11004 |
63 |
| LG Electronics Inc. | 75488 |
61 |
| Nippon Telegraph and Telephone Corporation | 15932 |
61 |
| Avago Technologies International Sales Pte. Limited | 8571 |
60 |
| Nokia Technologies Oy | 20912 |
59 |
| Amazon Technologies, Inc. | 27949 |
58 |
| Other owners | 5305 |