- 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: 7
10-year publication summary
|
2
|
0
|
0
|
1
|
0
|
1
|
0
|
0
|
1
|
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
|
|---|---|---|
| Asahi Glass Company, Limited | 2792 |
1 |
| Hitachi Zosen Corporation | 619 |
1 |
| Toshiba Electron Tubes & Devices Co., Ltd. | 53 |
1 |
| Varex Imaging Corporation | 303 |
1 |
| Telefonaktiebolaget LM Ericsson (publ) | 27885 |
1 |
| Optical Systems, LLC | 3 |
1 |
| Quantinuum LLC | 224 |
1 |
| Other owners | 0 |