- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 31/14 - Magic-eye or analogous tuning indicators
Patent holdings for IPC class H01J 31/14
Total number of patents in this class: 4
10-year publication summary
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0
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1
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1
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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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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
|
|---|---|---|
| Allstate Garden Supply | 9 |
2 |
| Samsung SDI Co., Ltd. | 8537 |
1 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10941 |
1 |
| Other owners | 0 |