- All sections
- H - Electricity
- H05B - Electric heating electric light sources not otherwise provided forcircuit arrangements for electric light sources, in general
- H05B 45/345 - Current stabilisationMaintaining constant current
Patent holdings for IPC class H05B 45/345
Total number of patents in this class: 393
10-year publication summary
|
1
|
4
|
1
|
7
|
41
|
80
|
82
|
72
|
69
|
36
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rohm Co., Ltd. | 6450 |
23 |
| Signify Holding B.V. | 7551 |
17 |
| Koito Manufacturing Co., Ltd. | 2244 |
16 |
| On-Bright Electronics (Shanghai) Co., Ltd. | 340 |
13 |
| Xiamen PVTECH Co., Ltd. | 144 |
8 |
| Opple Lighting Co., Ltd. | 813 |
7 |
| Savant Technologies, LLC | 314 |
7 |
| Suzhou Opple Lighting Co., Ltd. | 593 |
7 |
| Xiamen Leedarson Lighting Co.Ltd. | 103 |
7 |
| CRM Icbg (Wuxi) Co., Ltd. | 66 |
7 |
| CH Lighting Technology Co., Ltd | 32 |
6 |
| Panasonic Intellectual Property Management Co., Ltd. | 31375 |
5 |
| Jiaxing Super Lighting Electric Appliance Co., Ltd | 402 |
5 |
| Leedarson Lighting Co., Ltd. | 173 |
5 |
| Shenzhen Sendis Semiconductor Co., Ltd | 26 |
5 |
| Shenzhen Sunmoon Microelectronics Co., Ltd. | 46 |
5 |
| Lutron Technology Company LLC | 2542 |
5 |
| Xiamen Eco Lighting Co. Ltd. | 282 |
4 |
| Infineon Technologies AG | 8221 |
3 |
| Novatek Microelectronics Corp. | 1333 |
3 |
| Other owners | 235 |