- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 41/16 - Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps with ionisation by means of thermionic cathodes using gettering substances
Patent holdings for IPC class H01J 41/16
Total number of patents in this class: 13
10-year publication summary
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0
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2
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2
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2
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2
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1
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2
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1
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1
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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
|
|---|---|---|
| ColdQuanta, Inc., AKA ColdQuanta | 173 |
3 |
| Hitachi High-Technologies Corporation | 2001 |
2 |
| Tokyo Electron Limited | 12899 |
1 |
| Edwards Limited | 793 |
1 |
| Elekta Limited | 215 |
1 |
| Helion Energy, Inc. | 43 |
1 |
| Keysight Technologies, Inc. | 1201 |
1 |
| SRI International | 996 |
1 |
| Yale University | 2409 |
1 |
| Hitachi High-Tech Corporation | 5374 |
1 |
| Other owners | 0 |