- All sections
- H - Electricity
- H05B - Electric heating; electric light sources not otherwise provided for; circuit arrangements for electric light sources, in general
- H05B 41/282 - Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices
Patent holdings for IPC class H05B 41/282
Total number of patents in this class: 228
10-year publication summary
|
20
|
16
|
11
|
10
|
2
|
4
|
4
|
4
|
3
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Koninklijke Philips Electronics N.V. | 13133 |
22 |
| OSRAM GmbH | 2442 |
18 |
| General Electric Company | 18133 |
13 |
| Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | 166 |
8 |
| Lutron Electronics Co., Inc. | 541 |
8 |
| Panasonic Electric Works Co., Ltd. | 782 |
7 |
| Lutron Technology Company LLC | 2300 |
7 |
| Seiko Epson Corporation | 18724 |
5 |
| ABL IP Holding LLC | 1929 |
5 |
| Tridonic GmbH & Co KG | 922 |
5 |
| Philips Intellectual Property & Standards GmbH | 2395 |
5 |
| Mitsubishi Electric Corporation | 43934 |
4 |
| Microsemi Corporation | 125 |
4 |
| Semiconductor Components Industries, L.L.C. | 5345 |
3 |
| OSRAM SYLVANIA Inc. | 742 |
3 |
| Arkalumen Inc. | 44 |
3 |
| Exscitron GmbH | 9 |
3 |
| Morgan Stanley Senior Funding, Inc., AS Agent | 1727 |
3 |
| Silergy Semiconductor Technology (Hangzhou) LTD | 588 |
3 |
| Universal Lighting Technologies, Inc. | 165 |
3 |
| Other owners | 96 |