- 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: 793
10-year publication summary
|
104
|
39
|
53
|
54
|
65
|
58
|
56
|
45
|
23
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 107154 |
97 |
| ZTE Corporation | 41154 |
45 |
| Samsung Electronics Co., Ltd. | 139551 |
43 |
| Qualcomm Incorporated | 82165 |
28 |
| Electronics and Telecommunications Research Institute | 9039 |
21 |
| Telefonaktiebolaget LM Ericsson (publ) | 27443 |
19 |
| Nippon Telegraph and Telephone Corporation | 16416 |
18 |
| Nokia Technologies Oy | 16656 |
12 |
| NEC Corporation | 34540 |
11 |
| Hirschmann Automation and Control GmbH | 125 |
11 |
| Siemens AG | 24568 |
10 |
| Sony Corporation | 31518 |
9 |
| LG Electronics Inc. | 71185 |
8 |
| Fujitsu Limited | 18417 |
8 |
| Cilag GmbH International | 6062 |
8 |
| Marvell Asia PTE, Ltd. | 6559 |
8 |
| International Business Machines Corporation | 60224 |
7 |
| Mitsubishi Electric Corporation | 44962 |
7 |
| Panasonic Intellectual Property Corporation of America | 7431 |
7 |
| Cavium International | 5164 |
7 |
| Other owners | 409 |