- All sections
- H - Electricity
- H05B - Electric heating electric light sources not otherwise provided forcircuit arrangements for electric light sources, in general
- H05B 41/38 - Controlling the intensity of light
Patent holdings for IPC class H05B 41/38
Total number of patents in this class: 189
10-year publication summary
|
22
|
15
|
10
|
17
|
6
|
7
|
12
|
6
|
3
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 19670 |
11 |
| Lutron Technology Company LLC | 2586 |
10 |
| Lumenlabs, LLC | 29 |
10 |
| OSRAM GmbH | 2381 |
9 |
| General Electric Company | 13859 |
5 |
| Koninklijke Philips N.V. | 24932 |
5 |
| Koninklijke Philips Electronics N.V. | 9193 |
5 |
| Signify Holding B.V. | 7637 |
5 |
| ASML Netherlands B.V. | 7490 |
3 |
| Hubbell Incorporated | 3316 |
3 |
| Opple Lighting Co., Ltd. | 838 |
3 |
| Profoto AB | 88 |
3 |
| Tridonic GmbH & Co KG | 1013 |
3 |
| Ushio Denki Kabushiki Kaisha | 1196 |
3 |
| The Boeing Company | 20139 |
2 |
| Canon Inc. | 40555 |
2 |
| Robert Bosch GmbH | 42826 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 32105 |
2 |
| Hamamatsu Photonics K.K. | 4461 |
2 |
| OSRAM SYLVANIA Inc. | 678 |
2 |
| Other owners | 99 |