- All sections
- H - Electricity
- H05B - Electric heating; electric light sources not otherwise provided for; circuit arrangements for electric light sources, in general
- H05B 39/00 - Circuit arrangements or apparatus for operating incandescent light sources
Patent holdings for IPC class H05B 39/00
Total number of patents in this class: 365
10-year publication summary
|
34
|
36
|
27
|
17
|
13
|
9
|
7
|
1
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Signify Holding B.V. | 6837 |
16 |
| Jiaxing Super Lighting Electric Appliance Co., Ltd | 364 |
12 |
| Production Resource Group, LLC | 249 |
7 |
| Ideal Industries Lighting LLC | 1168 |
7 |
| ABL IP Holding LLC | 1929 |
6 |
| Lutron Technology Company LLC | 2300 |
6 |
| Au Optronics Corporation | 3880 |
5 |
| Chemtron Research LLC | 210 |
5 |
| Seoul Semiconductor Co., Ltd. | 1073 |
5 |
| AES Global Holdings, Pte. Ltd. | 139 |
5 |
| Samsung Electronics Co., Ltd. | 131630 |
4 |
| Samsung Display Co., Ltd. | 30585 |
4 |
| Honeywell International Inc. | 13799 |
4 |
| Texas Instruments Incorporated | 19376 |
4 |
| Rohm Co., Ltd. | 5843 |
4 |
| Semiconductor Components Industries, L.L.C. | 5345 |
4 |
| Silergy Semiconductor Technology (Hangzhou) LTD | 588 |
4 |
| Universal Lighting Technologies, Inc. | 165 |
4 |
| Willis Electric Co., Ltd. | 91 |
4 |
| LG Display Co., Ltd. | 11907 |
3 |
| Other owners | 252 |