- 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: 475
10-year publication summary
|
5
|
2
|
7
|
41
|
80
|
82
|
72
|
70
|
54
|
61
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rohm Co., Ltd. | 6916 |
25 |
| Signify Holding B.V. | 8201 |
25 |
| Koito Manufacturing Co., Ltd. | 2496 |
19 |
| On-Bright Electronics (Shanghai) Co., Ltd. | 331 |
13 |
| Savant Technologies, LLC | 392 |
13 |
| Opple Lighting Co., Ltd. | 938 |
11 |
| Xiamen PVTECH Co., Ltd. | 196 |
11 |
| Suzhou Opple Lighting Co., Ltd. | 704 |
11 |
| Xiamen Leedarson Lighting Co.Ltd. | 103 |
7 |
| CRM Icbg (Wuxi) Co., Ltd. | 82 |
7 |
| Leedarson Lighting Co., Ltd. | 192 |
6 |
| Shenzhen Sunmoon Microelectronics Co., Ltd. | 49 |
6 |
| CH Lighting Technology Co., Ltd | 33 |
6 |
| Lutron Technology Company LLC | 2779 |
6 |
| Jiaxing Super Lighting Electric Appliance Co., Ltd | 424 |
5 |
| Shenzhen Sendis Semiconductor Co., Ltd | 26 |
5 |
| Joulwatt Technology Co., Ltd. | 106 |
5 |
| Infineon Technologies AG | 8429 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 34568 |
4 |
| Stanley Electric Co., Ltd. | 1400 |
4 |
| Other owners | 282 |