- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 1/22 - Arrangements for detecting or preventing errors in the information received using redundant apparatus to increase reliability
Patent holdings for IPC class H04L 1/22
Total number of patents in this class: 792
10-year publication summary
|
104
|
39
|
52
|
54
|
65
|
58
|
56
|
46
|
23
|
14
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 111449 |
97 |
| ZTE Corporation | 42101 |
45 |
| Samsung Electronics Co., Ltd. | 144675 |
43 |
| Qualcomm Incorporated | 84760 |
28 |
| Electronics and Telecommunications Research Institute | 9355 |
21 |
| Telefonaktiebolaget LM Ericsson (publ) | 27862 |
19 |
| Nippon Telegraph and Telephone Corporation | 17228 |
18 |
| Nokia Technologies Oy | 17625 |
12 |
| NEC Corporation | 35471 |
11 |
| Hirschmann Automation and Control GmbH | 127 |
11 |
| Siemens AG | 24552 |
10 |
| LG Electronics Inc. | 72675 |
10 |
| Cilag GmbH International | 6222 |
10 |
| Sony Corporation | 31124 |
9 |
| Fujitsu Limited | 18354 |
8 |
| Marvell Asia PTE, Ltd. | 6558 |
8 |
| Apple Inc. | 54577 |
7 |
| International Business Machines Corporation | 61144 |
7 |
| Mitsubishi Electric Corporation | 45899 |
7 |
| Panasonic Intellectual Property Corporation of America | 7625 |
7 |
| Other owners | 404 |