- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 1/26 - Supports for the emissive material
Patent holdings for IPC class H01J 1/26
Total number of patents in this class: 9
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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1
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0
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0
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0
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1
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denki Kagaku Kogyo Kabushiki Kaisha | 680 |
2 |
| LG Chem, Ltd. | 17205 |
1 |
| Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | 166 |
1 |
| Rockwell Collins, Inc. | 2402 |
1 |
| Param Corporation | 8 |
1 |
| Varian Medical Systems, Inc. | 850 |
1 |
| Thales Deutschland GmbH Electron Devices | 5 |
1 |
| Elve Inc. | 13 |
1 |
| Other owners | 0 |