- All sections
- H - Electricity
- H05B - Electric heating; electric light sources not otherwise provided for; circuit arrangements for electric light sources, in general
- H05B 41/19 - Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac having a starting switch for lamps having an auxiliary starting electrode
Patent holdings for IPC class H05B 41/19
Total number of patents in this class: 4
10-year publication summary
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0
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0
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0
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1
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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
|
|---|---|---|
| Hamamatsu Photonics K.K. | 4161 |
1 |
| Heraeus Noblelight GmbH | 233 |
1 |
| Shikoh Tech LLC | 5 |
1 |
| MITSUBISHI DENKI KABUSHIKI KAISHA also trading as Mitsubishi Electric Corporation | 1082 |
1 |
| Other owners | 0 |