- All sections
- G - Physics
- G05F - Systems for regulating electric or magnetic variables
- G05F 1/42 - Regulating voltage or current wherein the variable is actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices discharge tubes only
Patent holdings for IPC class G05F 1/42
Total number of patents in this class: 4
10-year publication summary
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0
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2
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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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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
|
|---|---|---|
| Fujitsu Limited | 19265 |
1 |
| NVIDIA Corporation | 6381 |
1 |
| Analog Devices, Inc. | 3475 |
1 |
| Infineon Technologies Americas Corp. | 768 |
1 |
| Other owners | 0 |