- 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: 2
10-year publication summary
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0
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0
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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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0
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0
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| 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 |
1 |
| Shenzhen Luoyixinghe Technology Co., Ltd. | 1 |
1 |
| Other owners | 0 |