- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 17/40 - Cold-cathode tubes with one cathode and one anode, e.g. glow tubes, tuning-indicator glow tubes, voltage-stabiliser tubes or voltage-indicator tubes
Patent holdings for IPC class H01J 17/40
Total number of patents in this class: 3
10-year publication summary
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1
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0
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0
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0
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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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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Board of Trustees of Michigan State University | 1141 |
1 |
| Bourns, Inc. | 171 |
1 |
| Johann Wolfgang Goethe-Universität Frankfurt am Main | 154 |
1 |
| Other owners | 0 |