- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 25/74 - Tubes specially designed to act as transit-time diode oscillators, e.g. monotrons
Patent holdings for IPC class H01J 25/74
Total number of patents in this class: 4
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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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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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Commissariat à l'énergie atomique et aux energies alternatives | 10972 |
3 |
| National Institute of Information and Communications Technology | 640 |
1 |
| Other owners | 0 |