- 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: 7813
10-year publication summary
|
417
|
438
|
479
|
532
|
482
|
368
|
358
|
255
|
162
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 116994 |
364 |
| Cisco Technology, Inc. | 22134 |
248 |
| VMware LLC | 6824 |
201 |
| NEC Corporation | 36393 |
152 |
| Ericsson | 22074 |
152 |
| Samsung Electronics Co., Ltd. | 150361 |
141 |
| ZTE Corporation | 43230 |
136 |
| Microsoft Technology Licensing, LLC | 54403 |
122 |
| AT&T Intellectual Property I, L.P. | 9725 |
117 |
| Intel Corporation | 46522 |
95 |
| Verizon Patent And Licensing Inc. | 7389 |
86 |
| Qualcomm Incorporated | 88235 |
73 |
| CenturyLink Intellectual Property LLC | 1268 |
72 |
| Hewlett Packard Enterprise Development LP | 10763 |
64 |
| Nippon Telegraph and Telephone Corporation | 16266 |
63 |
| Comcast Cable Communications, LLC | 4916 |
62 |
| Avago Technologies International Sales Pte. Limited | 8636 |
62 |
| LG Electronics Inc. | 74090 |
60 |
| Nokia Technologies Oy | 19409 |
58 |
| Amazon Technologies, Inc. | 27386 |
57 |
| Other owners | 5428 |