- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 17/48 - Cold-cathode tubes with more than one cathode or anode, e.g. sequence-discharge tube, counting tube, dekatron
Patent holdings for IPC class H01J 17/48
Total number of patents in this class: 5
10-year publication summary
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toshiba Corporation | 12472 |
1 |
| Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | 60 |
1 |
| Oki Electric Industry Co., Ltd. | 1589 |
1 |
| Korea Research Institute of Standards and Science | 678 |
1 |
| Toshiba Energy Systems & Solutions Corp. | 1086 |
1 |
| Other owners | 0 |