- All sections
- H - Electricity
- H05B - Electric heating; electric light sources not otherwise provided for; circuit 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: 10945
10-year publication summary
|
1900
|
1902
|
1945
|
1852
|
1418
|
478
|
80
|
25
|
6
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Signify Holding B.V. | 6837 |
667 |
| Koninklijke Philips Electronics N.V. | 13133 |
290 |
| Tridonic GmbH & Co KG | 922 |
272 |
| Philips Lighting Holding B.V. | 1437 |
209 |
| Ideal Industries Lighting LLC | 1168 |
202 |
| ABL IP Holding LLC | 1929 |
193 |
| Lutron Technology Company LLC | 2300 |
193 |
| Koninklijke Philips N.V. | 22975 |
191 |
| OSRAM GmbH | 2442 |
146 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
137 |
| Philips Intellectual Property & Standards GmbH | 2395 |
113 |
| OSRAM SYLVANIA Inc. | 742 |
87 |
| Silergy Semiconductor Technology (Hangzhou) LTD | 588 |
85 |
| Samsung Electronics Co., Ltd. | 131630 |
82 |
| Jiaxing Super Lighting Electric Appliance Co., Ltd | 364 |
80 |
| Semiconductor Components Industries, L.L.C. | 5345 |
76 |
| Samsung Display Co., Ltd. | 30585 |
75 |
| Rohm Co., Ltd. | 5843 |
73 |
| Boe Technology Group Co., Ltd. | 35384 |
72 |
| eldoLAB Holding B.V. | 189 |
70 |
| Other owners | 7632 |