- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F21W - Indexing scheme associated with subclasses , , and , relating to uses or applications of lighting devices or systems
- F21W 131/304 - Lighting for domestic or personal use for pictures
Patent holdings for IPC class F21W 131/304
Total number of patents in this class: 7
10-year publication summary
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0
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2
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1
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1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| eBay Inc. | 3485 |
1 |
| Cerno LLC | 13 |
1 |
| Seoul Semiconductor Co., Ltd. | 1060 |
1 |
| Toshiba Materials Co., Ltd. | 560 |
1 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6162 |
1 |
| Immobileyes, Inc. | 8 |
1 |
| Playing with Awareness LLC | 3 |
1 |
| Other owners | 0 |