- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 31/54 - Image-conversion or image-amplification tubes, i.e. having optical, X-ray, or analogous input, and optical output in which the electron ray or beam is reflected by the image input screen on to the image output screen
Patent holdings for IPC class H01J 31/54
Total number of patents in this class: 2
10-year publication summary
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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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
|
---|---|---|
KLA-Tencor Corporation | 2574 |
1 |
Mcmaster University | 746 |
1 |
Other owners | 0 |