- All sections
- H - Electricity
- H05B - Electric heating electric light sources not otherwise provided forcircuit arrangements for electric light sources, in general
- H05B 44/00 - Circuit arrangements for operating electroluminescent light sources
Patent holdings for IPC class H05B 44/00
Total number of patents in this class: 55
10-year publication summary
|
0
|
0
|
0
|
0
|
7
|
7
|
5
|
18
|
10
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lutron Technology Company LLC | 2549 |
6 |
| Semiconductor Energy Laboratory Co., Ltd. | 11416 |
5 |
| Samsung Display Co., Ltd. | 34798 |
4 |
| Micron Technology, Inc. | 26238 |
3 |
| Pioneer Corporation | 4345 |
3 |
| Tohoku Pioneer Corporation | 475 |
3 |
| United Services Automobile Association (USAA) | 2996 |
2 |
| Samsung Electronics Co., Ltd. | 146346 |
1 |
| Murata Manufacturing Co., Ltd. | 24542 |
1 |
| National Institute of Advanced Industrial Science and Technology | 3802 |
1 |
| Agency for Science, Technology and Research | 3626 |
1 |
| ABL IP Holding LLC | 1908 |
1 |
| Adj Products, LLC | 39 |
1 |
| Dialog Semiconductor (UK) Limited | 440 |
1 |
| Hgci, Inc. | 325 |
1 |
| Igor, Inc. | 11 |
1 |
| Itron, Inc. | 885 |
1 |
| Koito Manufacturing Co., Ltd. | 2245 |
1 |
| Kookmin University Industry Academy Cooperation Foundation | 393 |
1 |
| Kyoto University | 2800 |
1 |
| Other owners | 16 |