- All sections
- H - Electricity
- H05B - Electric heating electric light sources not otherwise provided forcircuit 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: 213
10-year publication summary
|
16
|
12
|
10
|
2
|
4
|
4
|
5
|
3
|
1
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| OSRAM GmbH | 2384 |
18 |
| Koninklijke Philips Electronics N.V. | 9696 |
17 |
| General Electric Company | 13767 |
12 |
| Lutron Technology Company LLC | 2540 |
8 |
| Panasonic Electric Works Co., Ltd. | 722 |
7 |
| Lutron Electronics Co., Inc. | 538 |
7 |
| Seiko Epson Corporation | 19327 |
5 |
| ABL IP Holding LLC | 1905 |
5 |
| Tridonic GmbH & Co KG | 1004 |
5 |
| Signify Holding B.V. | 7535 |
5 |
| Mitsubishi Electric Corporation | 46037 |
4 |
| Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | 82 |
4 |
| Microsemi Corporation | 119 |
4 |
| Philips Intellectual Property & Standards GmbH | 1937 |
4 |
| Semiconductor Components Industries, L.L.C. | 5252 |
3 |
| OSRAM SYLVANIA Inc. | 683 |
3 |
| Arkalumen Inc. | 51 |
3 |
| Exscitron GmbH | 9 |
3 |
| Silergy Semiconductor Technology (Hangzhou) LTD | 620 |
3 |
| Ushio Denki Kabushiki Kaisha | 1178 |
3 |
| Other owners | 90 |