- 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: 1048
10-year publication summary
|
1
|
1
|
12
|
15
|
54
|
113
|
200
|
223
|
184
|
189
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cisco Technology, Inc. | 22112 |
50 |
| Keysight Technologies, Inc. | 1205 |
36 |
| PassiveLogic, Inc. | 224 |
25 |
| Huawei Technologies Co., Ltd. | 115827 |
20 |
| Juniper Networks, Inc. | 3772 |
20 |
| Microsoft Technology Licensing, LLC | 54319 |
19 |
| Jio Platforms Limited | 1502 |
18 |
| Accedian Networks Inc. | 175 |
17 |
| Telefonaktiebolaget LM Ericsson (publ) | 28486 |
16 |
| International Business Machines Corporation | 61721 |
14 |
| AT&T Intellectual Property I, L.P. | 9677 |
13 |
| Oracle International Corporation | 13102 |
13 |
| ZTE Corporation | 43054 |
13 |
| ISCO International, LLC | 241 |
13 |
| T-Mobile USA, Inc. | 4231 |
13 |
| Comcast Cable Communications, LLC | 4860 |
11 |
| Cyara Solutions Pty Ltd | 71 |
11 |
| Spirent Communications, Inc. | 135 |
11 |
| DISH Wireless L.L.C. | 1234 |
11 |
| Hewlett Packard Enterprise Development LP | 10766 |
10 |
| Other owners | 694 |