- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 25/02 - Tubes with electron stream modulated in velocity or density in a modulator zone and thereafter giving-up energy in an inducing zone, the zones being associated with one or more resonators
Patent holdings for IPC class H01J 25/02
Total number of patents in this class: 33
10-year publication summary
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1
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3
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1
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2
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0
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2
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1
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0
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4
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2
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BAE Systems Bofors AB | 203 |
3 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10931 |
2 |
| Totalforsvarets Forskningsinstitut | 25 |
2 |
| Canon Electron Tubes & Devices Co., Ltd. | 165 |
2 |
| Applied Materials, Inc. | 18746 |
1 |
| Raytheon Company | 8387 |
1 |
| Wisconsin Alumni Research Foundation | 3894 |
1 |
| Thales SA | 2345 |
1 |
| Ariel-University Research and Development Company Ltd. | 71 |
1 |
| Bridge12 Technologies, Inc. | 1 |
1 |
| Calabazas Creek Research, Inc. | 11 |
1 |
| Ecole Nationale Superieure de Techniques Avancees | 41 |
1 |
| Ecole Polytechnique | 328 |
1 |
| Elwha LLC | 357 |
1 |
| Enig Associates Inc. | 24 |
1 |
| Karlsruher Institut fur Technologie | 381 |
1 |
| Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V. | 1780 |
1 |
| NEC Network and Sensor Systems, Ltd. | 47 |
1 |
| Omega P, Inc. | 5 |
1 |
| University of Lancaster | 54 |
1 |
| Other owners | 8 |