- All sections
- H - Electricity
- H05B - Electric heating; electric light sources not otherwise provided for; circuit 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: 194
10-year publication summary
|
19
|
23
|
15
|
12
|
17
|
6
|
8
|
11
|
6
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 18724 |
11 |
| Lumenlabs, LLC | 28 |
10 |
| OSRAM GmbH | 2442 |
9 |
| Lutron Technology Company LLC | 2300 |
8 |
| Koninklijke Philips Electronics N.V. | 13133 |
7 |
| General Electric Company | 18133 |
5 |
| Koninklijke Philips N.V. | 22975 |
5 |
| Signify Holding B.V. | 6837 |
5 |
| ASML Netherlands B.V. | 6816 |
3 |
| Hubbell Incorporated | 3052 |
3 |
| Opple Lighting Co., Ltd. | 698 |
3 |
| Orion Energy Systems, Inc. | 67 |
3 |
| Profoto AB | 86 |
3 |
| Tridonic GmbH & Co KG | 922 |
3 |
| The Boeing Company | 19843 |
2 |
| Canon Inc. | 36841 |
2 |
| Robert Bosch GmbH | 40953 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
2 |
| Hamamatsu Photonics K.K. | 4161 |
2 |
| OSRAM SYLVANIA Inc. | 742 |
2 |
| Other owners | 104 |