- 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 9/68 - Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction - Details of reflectors forming part of the light source
Patent holdings for IPC class F21K 9/68
Total number of patents in this class: 461
10-year publication summary
7
|
26
|
59
|
87
|
91
|
105
|
61
|
49
|
30
|
8
|
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 |
61 |
Signify Holding B.V. | 6837 |
39 |
LG Innotek Co., Ltd. | 6758 |
26 |
Nichia Corporation | 3394 |
22 |
Optovate Limited | 37 |
12 |
Ideal Industries Lighting LLC | 1168 |
10 |
ABL IP Holding LLC | 1929 |
8 |
Xiamen Eco Lighting Co. Ltd. | 288 |
8 |
Lutron Technology Company LLC | 2300 |
8 |
Samsung Display Co., Ltd. | 30585 |
7 |
Juganu LTD | 24 |
7 |
LEDVANCE GmbH | 564 |
6 |
Opple Lighting Co., Ltd. | 698 |
6 |
Zhejiang Super Lighting Electric Appliance Co., Ltd. | 52 |
6 |
Korrus, Inc. | 447 |
6 |
OSRAM GmbH | 2442 |
5 |
DMF, Inc. | 119 |
5 |
Lumileds LLC | 1827 |
5 |
Savant Technologies, LLC | 343 |
5 |
Suzhou Lekin Semiconductor Co., Ltd. | 1710 |
5 |
Other owners | 204 |