- All sections
- H - Electricity
- H04Q - Selecting
- H04Q 1/38 - Signalling arrangementsManipulation of signalling currents using combinations of direct currents of different amplitudes or polarities over line conductors or combination of line conductors
Patent holdings for IPC class H04Q 1/38
Total number of patents in this class: 6
10-year publication summary
|
1
|
0
|
3
|
0
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0
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0
|
1
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1
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0
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 146534 |
1 |
| Sony Corporation | 31028 |
1 |
| Intel Corporation | 47013 |
1 |
| Tencent Technology (Shenzhen) Company Limited | 14799 |
1 |
| X-trip Information Technologies Co., Ltd | 93 |
1 |
| Chengdu T-ray Technology Co., Ltd. | 19 |
1 |
| Other owners | 0 |