- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F21S - Non-portable lighting devicessystems thereofvehicle lighting devices specially adapted for vehicle exteriors
- F21S 41/173 - Fluorescent light sources
Patent holdings for IPC class F21S 41/173
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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2
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1
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1
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1
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0
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0
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0
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Intellectual Property Management Co., Ltd. | 32139 |
2 |
| Texas Instruments Incorporated | 19459 |
1 |
| Koito Manufacturing Co., Ltd. | 2303 |
1 |
| Other owners | 0 |