- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 43/22 - Dynodes consisting of electron-permeable material, e.g. foil, grid, tube, venetian blind
Patent holdings for IPC class H01J 43/22
Total number of patents in this class: 24
10-year publication summary
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0
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1
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1
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0
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2
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2
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3
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1
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3
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0
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamamatsu Photonics K.K. | 4161 |
10 |
| Canon Anelva Corporation | 676 |
2 |
| Photonis France | 53 |
2 |
| Shenzhen Genorivision Technology Co., Ltd. | 61 |
2 |
| Adaptas Solutions Pty Ltd | 34 |
2 |
| Thermo Finnigan LLC | 625 |
1 |
| El-Mul Technologies Ltd. | 18 |
1 |
| University of Science and Technology of China | 318 |
1 |
| The University of Warwick | 242 |
1 |
| Skyfinis Inc., DBA Skyfinis | 5 |
1 |
| Baker Hughes Holdings LLC | 3060 |
1 |
| Other owners | 0 |