- 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: 781
10-year publication summary
|
68
|
104
|
39
|
53
|
54
|
65
|
58
|
56
|
39
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 100781 |
95 |
| ZTE Corporation | 39218 |
45 |
| Samsung Electronics Co., Ltd. | 131630 |
43 |
| Qualcomm Incorporated | 76576 |
30 |
| Electronics and Telecommunications Research Institute | 8830 |
21 |
| Telefonaktiebolaget LM Ericsson (publ) | 26435 |
19 |
| Nippon Telegraph and Telephone Corporation | 14195 |
18 |
| Nokia Technologies Oy | 15057 |
12 |
| Siemens AG | 24990 |
11 |
| NEC Corporation | 32703 |
11 |
| Hirschmann Automation and Control GmbH | 121 |
11 |
| Sony Corporation | 32931 |
9 |
| Marvell Asia PTE, Ltd. | 6841 |
8 |
| LG Electronics Inc. | 69257 |
7 |
| International Business Machines Corporation | 60644 |
7 |
| Fujitsu Limited | 19265 |
7 |
| Mitsubishi Electric Corporation | 43934 |
7 |
| Panasonic Intellectual Property Corporation of America | 7230 |
7 |
| Cavium International | 5549 |
7 |
| Apple Inc. | 50209 |
6 |
| Other owners | 400 |