- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 5/22 - Vacuum-tight joints between parts of vessel
Patent holdings for IPC class H01J 5/22
Total number of patents in this class: 6
10-year publication summary
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0
|
2
|
0
|
0
|
1
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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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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Asahi Glass Company, Limited | 2985 |
1 |
| Hitachi Zosen Corporation | 609 |
1 |
| Toshiba Electron Tubes & Devices Co., Ltd. | 56 |
1 |
| Varex Imaging Corporation | 294 |
1 |
| Telefonaktiebolaget LM Ericsson (publ) | 26435 |
1 |
| Optical Systems, LLC | 2 |
1 |
| Other owners | 0 |