- All sections
- G - Physics
- G05F - Systems for regulating electric or magnetic variables
- G05F 1/52 - Regulating voltage or current wherein the variable actually regulated by the final control device is dc using discharge tubes in series with the load as final control devices
Patent holdings for IPC class G05F 1/52
Total number of patents in this class: 7
10-year publication summary
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1
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0
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0
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0
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2
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3
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1
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0
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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
|
|---|---|---|
| NPX B.V. | 2204 |
1 |
| STMicroelectronics S.r.l. | 3693 |
1 |
| Fuji Electric Co., Ltd. | 4750 |
1 |
| Lian Zheng Electronic (Shenzhen) Co., Ltd. | 4 |
1 |
| Renesas Electronics America Inc. | 265 |
1 |
| WBM LLC | 38 |
1 |
| Ablic Inc. | 621 |
1 |
| Other owners | 0 |