- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F21V - Functional features or details of lighting devices or systems thereof; structural 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: 148
10-year publication summary
|
16
|
28
|
22
|
19
|
15
|
13
|
10
|
2
|
3
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Jiaxing Super Lighting Electric Appliance Co., Ltd | 364 |
28 |
| Signify Holding B.V. | 6837 |
18 |
| Aleddra Inc., DBA Aleddra LED Lighting | 106 |
15 |
| Argo Import-Export, Ltd. | 9 |
7 |
| LEDVANCE GmbH | 564 |
7 |
| Koninklijke Philips N.V. | 22975 |
5 |
| Silicon Hill B.V. | 32 |
5 |
| Philips Lighting Holding B.V. | 1437 |
4 |
| OSRAM GmbH | 2442 |
3 |
| Koninklijke Philips Electronics N.V. | 13133 |
2 |
| iLumisys, Inc. | 133 |
2 |
| Opple Lighting Co., Ltd. | 698 |
2 |
| pmdtechnologies ag | 44 |
2 |
| Shanghai Bright Power Semiconductor Co., Ltd. | 69 |
2 |
| Xiamen Eco Lighting Co. Ltd. | 288 |
2 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6132 |
2 |
| Philips Intellectual Property & Standards GmbH | 2395 |
2 |
| Apple Inc. | 50209 |
1 |
| General Electric Company | 18133 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
1 |
| Other owners | 37 |