- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 19/40 - Screens for shielding
Patent holdings for IPC class H01J 19/40
Total number of patents in this class: 7
10-year publication summary
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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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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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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Regents of the University of California | 18943 |
1 |
| Hon Hai Precision Industry Co., Ltd. | 4157 |
1 |
| Electronics and Telecommunications Research Institute | 8830 |
1 |
| Tsinghua University | 5426 |
1 |
| Mitsubishi Rayon Co., Ltd. | 1003 |
1 |
| Mitsubishi Chemical Corporation | 4313 |
1 |
| Signify Holding B.V. | 6837 |
1 |
| Other owners | 0 |