- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 1/74 - Luminescent screens; Selection of materials for luminescent coatings on vessels with luminescent material discontinuously arranged, e.g. in dots or lines with adjacent dots or lines of different luminescent material
Patent holdings for IPC class H01J 1/74
Total number of patents in this class: 1
10-year publication summary
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2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
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---|---|---|
Eastman Kodak Company | 3444 |
1 |
Other owners | 0 |