- All sections
- H - Electricity
- H05B - Electric heating; electric light sources not otherwise provided for; circuit arrangements for electric light sources, in general
- H05B 45/345 - Current stabilisation; Maintaining constant current
Patent holdings for IPC class H05B 45/345
Total number of patents in this class: 309
10-year publication summary
|
2
|
1
|
4
|
1
|
7
|
40
|
80
|
82
|
71
|
23
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rohm Co., Ltd. | 5843 |
21 |
| Signify Holding B.V. | 6837 |
15 |
| Koito Manufacturing Co., Ltd. | 1991 |
14 |
| On-Bright Electronics (Shanghai) Co., Ltd. | 326 |
11 |
| Savant Technologies, LLC | 343 |
7 |
| Xiamen Leedarson Lighting Co.Ltd. | 103 |
7 |
| Xiamen PVTECH Co., Ltd. | 84 |
6 |
| CH Lighting Technology Co., Ltd | 32 |
6 |
| Shenzhen Sendis Semiconductor Co., Ltd | 27 |
5 |
| CRM Icbg (Wuxi) Co., Ltd. | 54 |
5 |
| ABL IP Holding LLC | 1929 |
4 |
| Leedarson Lighting Co., Ltd. | 119 |
4 |
| Opple Lighting Co., Ltd. | 698 |
4 |
| Xiamen Eco Lighting Co. Ltd. | 288 |
4 |
| Lutron Technology Company LLC | 2300 |
4 |
| Suzhou Opple Lighting Co., Ltd. | 479 |
4 |
| Micron Technology, Inc. | 24960 |
3 |
| Novatek Microelectronics Corp. | 1221 |
3 |
| Nichia Corporation | 3394 |
3 |
| Goodrich Corporation | 2081 |
3 |
| Other owners | 176 |