- 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: 7495
10-year publication summary
|
434
|
451
|
494
|
555
|
495
|
378
|
373
|
287
|
184
|
124
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 125989 |
335 |
| Cisco Technology, Inc. | 22713 |
228 |
| VMware LLC | 6965 |
202 |
| NEC Corporation | 37636 |
147 |
| Ericsson | 23206 |
146 |
| ZTE Corporation | 44460 |
130 |
| Samsung Electronics Co., Ltd. | 160170 |
126 |
| AT&T Intellectual Property I, L.P. | 10091 |
114 |
| Microsoft Technology Licensing, LLC | 54770 |
105 |
| Intel Corporation | 40981 |
85 |
| Verizon Patent And Licensing Inc. | 7713 |
82 |
| Hewlett Packard Enterprise Development LP | 12509 |
78 |
| Qualcomm Incorporated | 94297 |
72 |
| CenturyLink Intellectual Property LLC | 1280 |
69 |
| Comcast Cable Communications, LLC | 5290 |
66 |
| Nippon Telegraph and Telephone Corporation | 15894 |
61 |
| LG Electronics Inc. | 76345 |
60 |
| Amazon Technologies, Inc. | 28394 |
58 |
| Nokia Technologies Oy | 22153 |
58 |
| Avago Technologies International Sales Pte. Limited | 8513 |
56 |
| Other owners | 5217 |