- All sections
- H - Electricity
- H05B - Electric heating electric light sources not otherwise provided forcircuit arrangements for electric light sources, in general
- H05B 33/08 - Circuit arrangements for operating electroluminescent light sources
Patent holdings for IPC class H05B 33/08
Total number of patents in this class: 10632
10-year publication summary
|
1902
|
1945
|
1852
|
1414
|
477
|
79
|
25
|
6
|
5
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Signify Holding B.V. | 7535 |
676 |
| Tridonic GmbH & Co KG | 1004 |
272 |
| Koninklijke Philips Electronics N.V. | 9696 |
265 |
| Philips Lighting Holding B.V. | 1359 |
209 |
| Ideal Industries Lighting LLC | 1133 |
199 |
| Lutron Technology Company LLC | 2540 |
196 |
| ABL IP Holding LLC | 1905 |
192 |
| Koninklijke Philips N.V. | 24766 |
191 |
| OSRAM GmbH | 2384 |
146 |
| Panasonic Intellectual Property Management Co., Ltd. | 31330 |
133 |
| Philips Intellectual Property & Standards GmbH | 1937 |
105 |
| Silergy Semiconductor Technology (Hangzhou) LTD | 620 |
85 |
| Samsung Electronics Co., Ltd. | 145864 |
84 |
| OSRAM SYLVANIA Inc. | 683 |
84 |
| Semiconductor Components Industries, L.L.C. | 5252 |
76 |
| Jiaxing Super Lighting Electric Appliance Co., Ltd | 402 |
75 |
| Rohm Co., Ltd. | 6444 |
73 |
| Samsung Display Co., Ltd. | 34641 |
72 |
| Boe Technology Group Co., Ltd. | 41047 |
67 |
| eldoLAB Holding B.V. | 190 |
67 |
| Other owners | 7365 |