- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 17/46 - Cold-cathode tubes with one cathode and one anode, e.g. glow tubes, tuning-indicator glow tubes, voltage-stabiliser tubes or voltage-indicator tubes having one or more control electrodes for preventing and then permitting ignition, but thereafter having no control
Patent holdings for IPC class H01J 17/46
Total number of patents in this class: 2
10-year publication summary
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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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
|
---|---|---|
Seiko Epson Corporation | 18724 |
1 |
Ceravision Limited | 49 |
1 |
Other owners | 0 |