- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 1/56 - Screens on or from which an image or pattern is formed, picked-up, converted, or stored; Luminescent coatings on vessels acting as light valves by shutter operation, e.g. for eidophor
Patent holdings for IPC class H01J 1/56
Total number of patents in this class: 5
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
|
|---|---|---|
| Raytheon Canada Limited | 152 |
1 |
| Hand held Products, Inc. | 1227 |
1 |
| Taroko International Co., Ltd. | 6 |
1 |
| Young Optics Inc. | 247 |
1 |
| Conversant Wireless Licensing S.A R.L. | 3 |
1 |
| Other owners | 0 |