- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 19/08 - Cathodes heated directly by an electric current
Patent holdings for IPC class H01J 19/08
Total number of patents in this class: 15
10-year publication summary
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0
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2
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0
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1
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0
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2
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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
|
|---|---|---|
| British Telecommunications Public Limited Company | 2638 |
2 |
| Ming Chi University of Technology | 38 |
2 |
| Samsung Display Co., Ltd. | 35269 |
1 |
| Koninklijke Philips Electronics N.V. | 9316 |
1 |
| ASML Netherlands B.V. | 7441 |
1 |
| Foret Plasma Labs, LLC | 66 |
1 |
| King Abdullah University of Science and Technology | 1803 |
1 |
| Korg Inc. | 56 |
1 |
| Noritake Co., Limited | 261 |
1 |
| Noritake Itron Corporation | 27 |
1 |
| NuFlare Technology, Inc. | 858 |
1 |
| Safran Aircraft Engines | 6306 |
1 |
| Hermes Microvision Incorporated B.V. | 124 |
1 |
| Other owners | 0 |