- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F21V - Functional features or details of lighting devices or systems thereofstructural combinations of lighting devices with other articles, not otherwise provided for
- F21V 25/04 - Safety devices structurally associated with lighting devices coming into action when lighting device is disturbed, dismounted, or broken breaking the electric circuit
Patent holdings for IPC class F21V 25/04
Total number of patents in this class: 149
10-year publication summary
|
22
|
19
|
15
|
13
|
10
|
2
|
3
|
4
|
5
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Jiaxing Super Lighting Electric Appliance Co., Ltd | 421 |
31 |
| Signify Holding B.V. | 8030 |
18 |
| Aleddra Inc., DBA Aleddra LED Lighting | 121 |
14 |
| LEDVANCE GmbH | 589 |
7 |
| Koninklijke Philips N.V. | 25832 |
5 |
| Argo Import-Export, Ltd. | 7 |
5 |
| Philips Lighting Holding B.V. | 1325 |
4 |
| OSRAM GmbH | 2216 |
3 |
| Seaborough Electronics IP B.V. | 14 |
3 |
| Koninklijke Philips Electronics N.V. | 7494 |
2 |
| iLumisys, Inc. | 127 |
2 |
| Opple Lighting Co., Ltd. | 922 |
2 |
| pmdtechnologies ag | 47 |
2 |
| Shanghai Bright Power Semiconductor Co., Ltd. | 90 |
2 |
| Silicon Hill B.V. | 19 |
2 |
| Zumtobel Lighting GmbH | 757 |
2 |
| Xiamen Eco Lighting Co. Ltd. | 282 |
2 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6118 |
2 |
| Philips Intellectual Property & Standards GmbH | 1639 |
2 |
| Apple Inc. | 58705 |
1 |
| Other owners | 38 |