- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 25/42 - Tubes in which an electron stream interacts with a wave travelling along a delay line or equivalent sequence of impedance elements, and with a magnet system producing an H-field crossing the E-field
Patent holdings for IPC class H01J 25/42
Total number of patents in this class: 11
10-year publication summary
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0
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2
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2
|
1
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1
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1
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0
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0
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1
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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
|
|---|---|---|
| The Regents of the University of Michigan | 4592 |
2 |
| Raytheon Company | 8425 |
1 |
| ASML Netherlands B.V. | 7197 |
1 |
| Wisconsin Alumni Research Foundation | 3840 |
1 |
| Communications & Power Industries LLC | 25 |
1 |
| Manhattan Technologies, LLC | 2 |
1 |
| NEC Network and Sensor Systems, Ltd. | 47 |
1 |
| The United States of America as represented by the Secretary of the Air Force | 819 |
1 |
| Consorzio di Ricerca Hypatia | 3 |
1 |
| RaySecur, Inc. | 2 |
1 |
| Other owners | 0 |