- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 25/38 - Tubes in which an electron stream interacts with a wave travelling along a delay line or equivalent sequence of impedance elements, and without magnet system producing an H-field crossing the E-field the forward-travelling wave being utilised
Patent holdings for IPC class H01J 25/38
Total number of patents in this class: 4
10-year publication summary
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0
|
1
|
0
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2
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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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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NEC Network and Sensor Systems, Ltd. | 47 |
2 |
| Wisconsin Alumni Research Foundation | 3877 |
1 |
| Thales SA | 2337 |
1 |
| Other owners | 0 |