- All sections
- H - Electricity
- H05B - Electric heating; electric light sources not otherwise provided for; circuit arrangements for electric light sources, in general
- H05B 45/50 - Circuit arrangements for operating light-emitting diodes [LED] responsive to LED life; Protective circuits
Patent holdings for IPC class H05B 45/50
Total number of patents in this class: 619
10-year publication summary
|
2
|
7
|
10
|
17
|
86
|
156
|
133
|
109
|
84
|
27
|
| 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 |
71 |
| Signify Holding B.V. | 6837 |
60 |
| Lutron Technology Company LLC | 2300 |
37 |
| Wangs Alliance Corp., DBA WAC Lighting | 125 |
15 |
| Lynk Labs, Inc. | 84 |
14 |
| On-Bright Electronics (Shanghai) Co., Ltd. | 326 |
12 |
| Tridonic GmbH & Co KG | 922 |
12 |
| Rohm Co., Ltd. | 5843 |
11 |
| Valeo Vision | 1219 |
11 |
| Koito Manufacturing Co., Ltd. | 1991 |
9 |
| Hella GmbH & Co. KGaA | 1392 |
9 |
| Infineon Technologies AG | 8189 |
8 |
| Lumileds LLC | 1827 |
8 |
| Xiamen PVTECH Co., Ltd. | 84 |
8 |
| Hubbell Lighting, Inc | 673 |
7 |
| Aleddra Inc., DBA Aleddra LED Lighting | 106 |
6 |
| Schreder, S.A. | 270 |
6 |
| Semiconductor Components Industries, L.L.C. | 5345 |
5 |
| LG Innotek Co., Ltd. | 6758 |
5 |
| ABL IP Holding LLC | 1929 |
5 |
| Other owners | 300 |