- 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: 17
10-year publication summary
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1
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2
|
1
|
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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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
|
|---|---|---|
| Hon Hai Precision Industry Co., Ltd. | 4029 |
3 |
| Tsinghua University | 5953 |
2 |
| Samsung Electronics Co., Ltd. | 147622 |
1 |
| Industrial Technology Research Institute | 5076 |
1 |
| Massachusetts Institute of Technology | 10110 |
1 |
| Arizona Board of Regents on behalf of Arizona State University | 2663 |
1 |
| Beijing FUNATE Innovation Technology Co., Ltd. | 146 |
1 |
| Beijing University of Technology | 497 |
1 |
| Carl Zeiss Microscopy GmbH | 1222 |
1 |
| Ushio Denki Kabushiki Kaisha | 1194 |
1 |
| Addup | 128 |
1 |
| Seoul National University R&db Foundation | 3673 |
1 |
| Hitachi High-Tech Corporation | 5374 |
1 |
| Leptons-technologies | 2 |
1 |
| Other owners | 0 |