- All sections
- H - Electricity
- H05B - Electric heating; electric light sources not otherwise provided for; circuit arrangements for electric light sources, in general
- H05B 47/20 - Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant for protection
Patent holdings for IPC class H05B 47/20
Total number of patents in this class: 161
10-year publication summary
|
1
|
3
|
5
|
8
|
10
|
28
|
30
|
33
|
33
|
10
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Signify Holding B.V. | 6837 |
17 |
| Lutron Technology Company LLC | 2300 |
9 |
| Koito Manufacturing Co., Ltd. | 1991 |
8 |
| M3 Innovation, LLC | 13 |
5 |
| LG Innotek Co., Ltd. | 6758 |
4 |
| Tridonic GmbH & Co KG | 922 |
4 |
| Eaton Intelligent Power Limited | 6113 |
4 |
| Rohm Co., Ltd. | 5843 |
3 |
| Grote Industries, LLC | 59 |
3 |
| Nippon Seiki Co., Ltd. | 933 |
3 |
| Schreder, S.A. | 270 |
3 |
| Nidec Precision Corporation | 13 |
3 |
| Koninklijke Philips N.V. | 22975 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
2 |
| Boe Technology Group Co., Ltd. | 35384 |
2 |
| ABL IP Holding LLC | 1929 |
2 |
| Appleton Grp LLC | 224 |
2 |
| Chicony Power Technology Co., Ltd. | 244 |
2 |
| Magtech Industries Corporation | 21 |
2 |
| Pass & Seymour, Inc. | 181 |
2 |
| Other owners | 79 |