- All sections
- H - Electricity
- H05B - Electric heating electric light sources not otherwise provided forcircuit arrangements for electric light sources, in general
- H05B 41/42 - Controlling the intensity of light discontinuously in two steps only
Patent holdings for IPC class H05B 41/42
Total number of patents in this class: 20
10-year publication summary
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| OSRAM GmbH | 2186 |
4 |
| Koninklijke Philips Electronics N.V. | 7172 |
2 |
| OSRAM SYLVANIA Inc. | 673 |
2 |
| General Electric Company | 13982 |
1 |
| Koninklijke Philips N.V. | 26042 |
1 |
| ABL IP Holding LLC | 1879 |
1 |
| Deutsche Post AG | 414 |
1 |
| Easy Solution Holdings Limited | 1 |
1 |
| Iwasaki Electric Co., Ltd. | 156 |
1 |
| LightLab Sweden AB | 24 |
1 |
| Philips GmbH | 273 |
1 |
| Singapore Polytechnic | 24 |
1 |
| Gradix Holding Ltd. | 3 |
1 |
| Philips Intellectual Property & Standards GmbH | 1576 |
1 |
| DIRECT ePI | 1 |
1 |
| Other owners | 0 |