- All sections
- G - Physics
- G05F - Systems for regulating electric or magnetic variables
- G05F 3/12 - Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being glow discharge tubes
Patent holdings for IPC class G05F 3/12
Total number of patents in this class: 7
10-year publication summary
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1
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2
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0
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0
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0
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0
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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
|
|---|---|---|
| Sharp Corporation | 10015 |
1 |
| Brother Industries, Ltd. | 13000 |
1 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
1 |
| The United States of America as represented by the Secretary of the Navy | 2734 |
1 |
| University of North Dakota | 99 |
1 |
| Siemens Gamesa Renewable Energy A/S | 1647 |
1 |
| Myenersave, Inc. | 2 |
1 |
| Other owners | 0 |