- All sections
- H - Electricity
- H05B - Electric heating electric light sources not otherwise provided forcircuit arrangements for electric light sources, in general
- H05B 45/305 - Frequency-control circuits
Patent holdings for IPC class H05B 45/305
Total number of patents in this class: 69
10-year publication summary
|
0
|
0
|
1
|
1
|
12
|
14
|
8
|
16
|
12
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Roku, Inc. | 1400 |
6 |
| ABL IP Holding LLC | 1908 |
5 |
| Aleddra Inc., DBA Aleddra LED Lighting | 114 |
5 |
| Rohm Co., Ltd. | 6450 |
4 |
| Koito Manufacturing Co., Ltd. | 2244 |
4 |
| Universal Lighting Technologies, Inc. | 100 |
4 |
| Lutron Technology Company LLC | 2542 |
4 |
| Intelesol, LLC | 38 |
3 |
| Signify Holding B.V. | 7551 |
3 |
| Lumileds LLC | 1920 |
2 |
| Tridonic GmbH & Co KG | 1006 |
2 |
| Savant Technologies, LLC | 314 |
2 |
| OptoCeutics ApS | 17 |
2 |
| Apple Inc. | 54844 |
1 |
| Toshiba Corporation | 12336 |
1 |
| Hyundai Motor Company | 21987 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 31375 |
1 |
| HTC Corporation | 2299 |
1 |
| Omron Corporation | 7261 |
1 |
| Chengdu Monolithic Power Systems Co., Ltd. | 387 |
1 |
| Other owners | 16 |