- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 1/24 - Testing correct operation
Patent holdings for IPC class H04L 1/24
Total number of patents in this class: 683
10-year publication summary
|
101
|
59
|
71
|
53
|
66
|
44
|
40
|
35
|
29
|
16
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cisco Technology, Inc. | 19734 |
90 |
| ISCO International, LLC | 229 |
28 |
| Huawei Technologies Co., Ltd. | 111449 |
21 |
| Qualcomm Incorporated | 84760 |
20 |
| Intel Corporation | 46833 |
20 |
| Samsung Electronics Co., Ltd. | 144675 |
18 |
| Electronics and Telecommunications Research Institute | 9355 |
17 |
| ROHDE & Schwarz GmbH & Co. KG | 1916 |
17 |
| Rambus Inc. | 2366 |
11 |
| International Business Machines Corporation | 61144 |
10 |
| Anritsu Corporation | 389 |
9 |
| LitePoint Corporation | 208 |
9 |
| Ericsson | 21642 |
8 |
| ZTE Corporation | 42101 |
8 |
| Fujitsu Limited | 18354 |
7 |
| Accedian Networks Inc. | 175 |
6 |
| Keysight Technologies, Inc. | 1197 |
6 |
| Intel Germany GmbH & Co. KG | 113 |
6 |
| Apple Inc. | 54577 |
5 |
| AT&T Intellectual Property I, L.P. | 9486 |
5 |
| Other owners | 362 |