- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 5/52 - Means forming part of the tube or lamp for the purpose of providing electrical connection to it directly applied to, or forming part of, the vessel
Patent holdings for IPC class H01J 5/52
Total number of patents in this class: 13
10-year publication summary
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0
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0
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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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1
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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
|
|---|---|---|
| Koninklijke Philips Electronics N.V. | 10018 |
3 |
| Au Optronics Corporation | 3522 |
2 |
| LEDVANCE GmbH | 573 |
2 |
| OSRAM GmbH | 2387 |
1 |
| Fotolec Technologies Limited. | 10 |
1 |
| Lumileds LLC | 1907 |
1 |
| Varex Imaging Corporation | 301 |
1 |
| Bender & Wirth GmbH & Co. | 5 |
1 |
| Space Cannon VH S.p.A. | 1 |
1 |
| Other owners | 0 |