- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 19/30 - Non-electron-emitting electrodesScreens characterised by the material
Patent holdings for IPC class H01J 19/30
Total number of patents in this class: 8
10-year publication summary
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1
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1
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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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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hon Hai Precision Industry Co., Ltd. | 4005 |
2 |
| Evince Technology Limited | 10 |
2 |
| Tsinghua University | 6065 |
1 |
| Arizona Board of Regents on behalf of Arizona State University | 2782 |
1 |
| Beijing FUNATE Innovation Technology Co., Ltd. | 146 |
1 |
| PREDL GmbH | 17 |
1 |
| Other owners | 0 |