- All sections
- H - Electricity
- H05B - Electric heating; electric light sources not otherwise provided for; circuit 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: 51
10-year publication summary
0
|
0
|
0
|
1
|
1
|
12
|
14
|
8
|
14
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Roku, Inc. | 1151 |
4 |
Universal Lighting Technologies, Inc. | 165 |
4 |
Rohm Co., Ltd. | 5843 |
3 |
ABL IP Holding LLC | 1929 |
3 |
Koito Manufacturing Co., Ltd. | 1991 |
3 |
Intelesol, LLC | 38 |
3 |
Signify Holding B.V. | 6837 |
3 |
Lutron Technology Company LLC | 2300 |
3 |
Aleddra Inc., DBA Aleddra LED Lighting | 106 |
2 |
Lumileds LLC | 1827 |
2 |
Tridonic GmbH & Co KG | 922 |
2 |
OptoCeutics ApS | 14 |
2 |
Apple Inc. | 50209 |
1 |
Toshiba Corporation | 12017 |
1 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
1 |
HTC Corporation | 2219 |
1 |
Omron Corporation | 6968 |
1 |
Chengdu Monolithic Power Systems Co., Ltd. | 335 |
1 |
Event Capture Systems, Inc. | 12 |
1 |
LED Smart Inc. | 34 |
1 |
Other owners | 9 |