- All sections
- H - Electricity
- H05B - Electric heating electric light sources not otherwise provided forcircuit arrangements for electric light sources, in general
- H05B 41/292 - Arrangements for protecting lamps or circuits against abnormal operating conditions
Patent holdings for IPC class H05B 41/292
Total number of patents in this class: 160
10-year publication summary
|
6
|
4
|
8
|
0
|
2
|
3
|
2
|
1
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| OSRAM GmbH | 2189 |
36 |
| Koninklijke Philips Electronics N.V. | 7211 |
28 |
| Seiko Epson Corporation | 20406 |
12 |
| Tridonic GmbH & Co KG | 1042 |
10 |
| Osram AG | 286 |
9 |
| Philips Intellectual Property & Standards GmbH | 1580 |
9 |
| General Electric Company | 13966 |
5 |
| Koninklijke Philips N.V. | 25999 |
5 |
| Tridonic AG | 51 |
3 |
| Ushio Denki Kabushiki Kaisha | 1210 |
3 |
| Lumlux Corp | 12 |
3 |
| Lam Research Corporation | 5689 |
2 |
| Automotive Lighting Reutlingen GmbH | 60 |
2 |
| Shenzhen Techone Tech Co., Ltd. | 6 |
2 |
| Panasonic Corporation | 18751 |
1 |
| Ericsson | 22995 |
1 |
| Sharp Corporation | 10860 |
1 |
| Murata Manufacturing Co., Ltd. | 25893 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 34403 |
1 |
| Amazon Technologies, Inc. | 28236 |
1 |
| Other owners | 25 |