- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 19/06 - Thermionic cathodes characterised by the material
Patent holdings for IPC class H01J 19/06
Total number of patents in this class: 18
10-year publication summary
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0
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1
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2
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1
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1
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0
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0
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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
|
|---|---|---|
| Hon Hai Precision Industry Co., Ltd. | 4157 |
3 |
| Tsinghua University | 5426 |
2 |
| Samsung Electronics Co., Ltd. | 131630 |
1 |
| Industrial Technology Research Institute | 4898 |
1 |
| Massachusetts Institute of Technology | 9795 |
1 |
| Arizona Board of Regents on behalf of Arizona State University | 2226 |
1 |
| Beijing FUNATE Innovation Technology Co., Ltd. | 150 |
1 |
| Beijing University of Technology | 437 |
1 |
| Carl Zeiss Microscopy GmbH | 1146 |
1 |
| NuFlare Technology, Inc. | 770 |
1 |
| Ushio Denki Kabushiki Kaisha | 1088 |
1 |
| Addup | 121 |
1 |
| Seoul National University R&db Foundation | 2976 |
1 |
| Hitachi High-Tech Corporation | 4424 |
1 |
| Leptons-technologies | 2 |
1 |
| Other owners | 0 |