- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 23/083 - Electrostatic focusing arrangements
Patent holdings for IPC class H01J 23/083
Total number of patents in this class: 10
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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2
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0
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3
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0
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2
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1
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Elve Inc. | 30 |
6 |
| Varian Semiconductor Equipment Associates, Inc. | 1231 |
1 |
| Massachusetts Institute of Technology | 10036 |
1 |
| Canon Electron Tubes & Devices Co., Ltd. | 164 |
1 |
| Thales Deutschland GmbH Electron Devices | 5 |
1 |
| Other owners | 0 |