- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F21K - Non-electric light sources using luminescence; light sources using electrochemiluminescence; light sources using charges of combustible material; light sources using semiconductor devices as light-generating elements; light sources not otherwise provided for
- F21K 9/66 - Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction - Details of globes or covers forming part of the light source
Patent holdings for IPC class F21K 9/66
Total number of patents in this class: 333
10-year publication summary
1
|
25
|
45
|
33
|
73
|
91
|
43
|
27
|
20
|
5
|
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 |
60 |
Signify Holding B.V. | 6837 |
28 |
DVA Holdings LLC | 37 |
12 |
DVA Mayday Corporation, DBA Deltavation | 31 |
10 |
Savant Technologies, LLC | 343 |
10 |
Xiamen Eco Lighting Co. Ltd. | 288 |
9 |
Satco Products, Inc. | 72 |
8 |
LEDVANCE GmbH | 564 |
7 |
Lutron Technology Company LLC | 2300 |
7 |
Nichia Corporation | 3394 |
6 |
Bridgelux, Inc. | 351 |
6 |
LG Innotek Co., Ltd. | 6758 |
5 |
Archangel Device LLC | 35 |
5 |
Epistar Corporation | 1553 |
5 |
Lumileds LLC | 1827 |
5 |
Ideal Industries Lighting LLC | 1168 |
5 |
Cordelia Lighting, Inc. | 57 |
4 |
EmeryAllen, LLC | 9 |
4 |
iLumisys, Inc. | 133 |
4 |
Elemental LED, Inc. | 165 |
3 |
Other owners | 130 |