- 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: 7903
10-year publication summary
|
432
|
417
|
438
|
479
|
532
|
482
|
368
|
351
|
245
|
130
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 114462 |
377 |
| Cisco Technology, Inc. | 22061 |
254 |
| VMware LLC | 6830 |
200 |
| Ericsson | 21917 |
156 |
| NEC Corporation | 36129 |
152 |
| Samsung Electronics Co., Ltd. | 148077 |
141 |
| ZTE Corporation | 42809 |
137 |
| Microsoft Technology Licensing, LLC | 54029 |
124 |
| AT&T Intellectual Property I, L.P. | 9613 |
117 |
| Intel Corporation | 46921 |
95 |
| Verizon Patent And Licensing Inc. | 7165 |
86 |
| Qualcomm Incorporated | 86990 |
73 |
| CenturyLink Intellectual Property LLC | 1253 |
72 |
| Hewlett Packard Enterprise Development LP | 10751 |
65 |
| Nippon Telegraph and Telephone Corporation | 16793 |
63 |
| Avago Technologies International Sales Pte. Limited | 8678 |
63 |
| LG Electronics Inc. | 73714 |
62 |
| Comcast Cable Communications, LLC | 4806 |
62 |
| Nokia Technologies Oy | 18538 |
60 |
| Juniper Networks, Inc. | 3745 |
58 |
| Other owners | 5486 |