- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 23/27 - Helix-derived slow-wave structures
Patent holdings for IPC class H01J 23/27
Total number of patents in this class: 4
10-year publication summary
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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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1
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0
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1
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1
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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
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 117695 |
1 |
| Wisconsin Alumni Research Foundation | 3927 |
1 |
| Johann Wolfgang Goethe-Universität Frankfurt am Main | 162 |
1 |
| UNM Rainforest Innovations | 462 |
1 |
| Other owners | 0 |