- All sections
- H - Electricity
- H05B - Electric heating electric light sources not otherwise provided forcircuit arrangements for electric light sources, in general
- H05B 41/392 - Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
Patent holdings for IPC class H05B 41/392
Total number of patents in this class: 264
10-year publication summary
|
8
|
14
|
18
|
15
|
9
|
1
|
4
|
1
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lutron Technology Company LLC | 2696 |
27 |
| Koninklijke Philips Electronics N.V. | 8208 |
25 |
| OSRAM GmbH | 2301 |
19 |
| Seiko Epson Corporation | 19928 |
10 |
| Sharp Kabushiki Kaisha | 18613 |
8 |
| Lutron Electronics Co., Inc. | 533 |
7 |
| General Electric Company | 13815 |
6 |
| Tridonic GmbH & Co KG | 1028 |
6 |
| Signify Holding B.V. | 7842 |
6 |
| Panasonic Electric Works Co., Ltd. | 692 |
5 |
| Panasonic Intellectual Property Management Co., Ltd. | 33248 |
5 |
| Osram AG | 290 |
5 |
| Philips Intellectual Property & Standards GmbH | 1748 |
5 |
| Leviton Manufacturing Co., Inc. | 815 |
4 |
| MERSTech, Inc. | 31 |
4 |
| Panasonic Corporation | 19835 |
3 |
| Koninklijke Philips N.V. | 25470 |
3 |
| Boe Technology Group Co., Ltd. | 42723 |
3 |
| Microchip Technology Incorporated | 3157 |
3 |
| Sanken Electric Co., Ltd. | 459 |
3 |
| Other owners | 107 |