- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 3/07 - Arrangements for controlling convergence of a plurality of beams
Patent holdings for IPC class H01J 3/07
Total number of patents in this class: 6
10-year publication summary
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0
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0
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1
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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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0
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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
|
|---|---|---|
| Hitachi, Ltd. | 15484 |
1 |
| Varian Semiconductor Equipment Associates, Inc. | 1231 |
1 |
| FEI Company | 943 |
1 |
| Jiddtek Pty Ltd | 1 |
1 |
| NuFlare Technology, Inc. | 842 |
1 |
| Standard Beam Company, Inc. | 1 |
1 |
| Other owners | 0 |