- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 15/22 - Apparatus or circuits for sending one or a restricted number of signals, e.g. distress signals
Patent holdings for IPC class H04L 15/22
Total number of patents in this class: 3
10-year publication summary
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0
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0
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1
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0
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0
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1
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1
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0
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0
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 123385 |
1 |
| Shenzhen Luoyixinghe Technology Co., Ltd. | 1 |
1 |
| Actions Technology Co., Limited | 29 |
1 |
| Other owners | 0 |