- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 17/44 - Cold-cathode tubes with one cathode and one anode, e.g. glow tubes, tuning-indicator glow tubes, voltage-stabiliser tubes or voltage-indicator tubes having one or more control electrodes
Patent holdings for IPC class H01J 17/44
Total number of patents in this class: 13
10-year publication summary
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1
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1
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1
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1
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1
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0
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1
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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
|
|---|---|---|
| Panasonic Corporation | 20786 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
2 |
| Supergrid Institute SAS | 35 |
2 |
| OSRAM SYLVANIA Inc. | 742 |
1 |
| Iwasaki Electric Co., Ltd. | 151 |
1 |
| Unison Industries, LLC | 195 |
1 |
| Ushio Denki Kabushiki Kaisha | 1088 |
1 |
| GE Infrastructure Technology, LLC | 5873 |
1 |
| Signify Holding B.V. | 6837 |
1 |
| Cosmo Holdings Co.,Ltd. | 13 |
1 |
| Other owners | 0 |