- 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 9/238 - Arrangement or mounting of circuit elements integrated in the light source
Patent holdings for IPC class F21K 9/238
Total number of patents in this class: 636
10-year publication summary
15
|
72
|
110
|
135
|
135
|
122
|
81
|
54
|
36
|
12
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Xiamen Eco Lighting Co. Ltd. | 288 |
59 |
Jiaxing Super Lighting Electric Appliance Co., Ltd | 364 |
52 |
Signify Holding B.V. | 6837 |
44 |
Feit Electric Company, Inc. | 237 |
25 |
LEDVANCE GmbH | 564 |
24 |
Ideal Industries Lighting LLC | 1168 |
22 |
Savant Technologies, LLC | 343 |
21 |
Ledvance LLC | 336 |
18 |
Quarkstar LLC | 215 |
17 |
Xiamen Leedarson Lighting Co.Ltd. | 103 |
12 |
Korrus, Inc. | 447 |
11 |
Zhejiang Super Lighting Electric Appliance Co., Ltd. | 52 |
9 |
Suzhou Lekin Semiconductor Co., Ltd. | 1710 |
9 |
Leedarson Lighting Co., Ltd. | 119 |
7 |
Opple Lighting Co., Ltd. | 698 |
7 |
Satco Products, Inc. | 72 |
7 |
Epistar Corporation | 1553 |
5 |
Seoul Semiconductor Co., Ltd. | 1073 |
5 |
Technical Consumer Products, Inc. | 92 |
5 |
Zhejiang Shenghui Lighting Co., Ltd | 152 |
5 |
Other owners | 272 |