H01J 13/52
With control by one or more intermediate control electrodes
Official title: with control by one or more intermediate control electrodes
H01J13/52 (With control by one or more intermediate control electrodes) appears on 2 US grants and 2 published applications in this corpus.
Search patents in H01J- Granted patents
- 2
- Published applications
- 2
- Assignees
- 2
- Inventors
- 4
- Latest grant
- 25 Oct 2022
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| Year | Granted patents | Published applications |
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| 2016 | 0 | 1 |
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| 2018 | 0 | 0 |
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| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
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