- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 31/20 - Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes for displaying images or patterns in two or more colours
Patent holdings for IPC class H01J 31/20
Total number of patents in this class: 8
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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0
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1
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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
|
|---|---|---|
| Thomson Licensing | 4027 |
3 |
| National Institute for Materials Science | 1108 |
2 |
| Fujitsu Limited | 19265 |
1 |
| PPG Industries Ohio, Inc. | 3430 |
1 |
| Ocean's King Lighting Science & Technology Co., Ltd. | 273 |
1 |
| Other owners | 0 |