- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F21K - Non-electric light sources using luminescencelight sources using electrochemiluminescencelight sources using charges of combustible materiallight sources using semiconductor devices as light-generating elementslight sources not otherwise provided for
- F21K 9/278 - Arrangement or mounting of circuit elements integrated in the light source
Patent holdings for IPC class F21K 9/278
Total number of patents in this class: 429
10-year publication summary
|
113
|
77
|
86
|
67
|
41
|
26
|
19
|
24
|
15
|
9
|
| 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 | 424 |
114 |
| Signify Holding B.V. | 8181 |
28 |
| DVA Holdings LLC | 37 |
24 |
| LEDVANCE GmbH | 589 |
22 |
| DVA Mayday Corporation, DBA Deltavation | 30 |
20 |
| iLumisys, Inc. | 127 |
15 |
| Xiamen PVTECH Co., Ltd. | 196 |
14 |
| Ledvance LLC | 313 |
11 |
| Aleddra Inc., DBA Aleddra LED Lighting | 121 |
10 |
| Musco Corporation | 289 |
10 |
| Colt International Clothing Inc. | 11 |
9 |
| Xiamen Eco Lighting Co. Ltd. | 282 |
8 |
| Go Fan Yourself, LLC | 56 |
7 |
| Argo Import-Export, Ltd. | 7 |
5 |
| Orion Energy Systems, Inc. | 53 |
5 |
| Led-ip Management, LLC | 815 |
5 |
| Epistar Corporation | 275 |
4 |
| Feit Electric Company, Inc. | 298 |
4 |
| Hubbell Lighting, Inc | 566 |
4 |
| Keystone Technologies, LLC | 53 |
4 |
| Other owners | 106 |