- 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: 11543
10-year publication summary
|
1668
|
1900
|
1903
|
1945
|
1853
|
1422
|
486
|
79
|
24
|
4
|
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Signify Holding B.V. | 6491 |
706 |
| Koninklijke Philips Electronics N.V. | 16106 |
296 |
| Tridonic GmbH & Co KG | 869 |
276 |
| Philips Lighting Holding B.V. | 1504 |
209 |
| Ideal Industries Lighting LLC | 1308 |
201 |
| ABL IP Holding LLC | 1950 |
197 |
| Lutron Technology Company LLC | 2054 |
192 |
| Koninklijke Philips N.V. | 22699 |
191 |
| Panasonic Intellectual Property Management Co., Ltd. | 26851 |
186 |
| OSRAM GmbH | 2627 |
159 |
| Philips Intellectual Property & Standards GmbH | 2731 |
114 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 9219 |
99 |
| Samsung Electronics Co., Ltd. | 123340 |
94 |
| OSRAM SYLVANIA Inc. | 804 |
94 |
| Jiaxing Super Lighting Electric Appliance Co., Ltd | 336 |
85 |
| Silergy Semiconductor Technology (Hangzhou) LTD | 556 |
85 |
| Samsung Display Co., Ltd. | 27993 |
81 |
| Rohm Co., Ltd. | 5191 |
81 |
| Semiconductor Components Industries, L.L.C. | 5336 |
76 |
| Boe Technology Group Co., Ltd. | 32993 |
72 |
| Other owners | 8049 |