- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 43/50 - Testing arrangements
Patent holdings for IPC class H04L 43/50
Total number of patents in this class: 689
10-year publication summary
|
8
|
5
|
4
|
21
|
21
|
58
|
105
|
187
|
210
|
57
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cisco Technology, Inc. | 18858 |
26 |
| Keysight Technologies, Inc. | 1170 |
22 |
| Huawei Technologies Co., Ltd. | 100781 |
16 |
| Accedian Networks Inc. | 181 |
15 |
| Juniper Networks, Inc. | 3556 |
14 |
| Microsoft Technology Licensing, LLC | 51439 |
14 |
| T-Mobile USA, Inc. | 3668 |
13 |
| PassiveLogic, Inc. | 148 |
13 |
| International Business Machines Corporation | 60644 |
11 |
| ISCO International, LLC | 212 |
11 |
| Comcast Cable Communications, LLC | 4075 |
10 |
| Spirent Communications, Inc. | 152 |
10 |
| ZTE Corporation | 39218 |
9 |
| Hewlett Packard Enterprise Development LP | 10702 |
9 |
| Cyara Solutions Pty Ltd | 58 |
9 |
| VMware LLC | 6078 |
9 |
| AT&T Intellectual Property I, L.P. | 9886 |
8 |
| Amazon Technologies, Inc. | 24422 |
8 |
| Nippon Telegraph and Telephone Corporation | 14195 |
7 |
| Ericsson | 20417 |
6 |
| Other owners | 449 |