- 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: 10479
10-year publication summary
|
1945
|
1852
|
1412
|
476
|
79
|
25
|
6
|
5
|
6
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Signify Holding B.V. | 8118 |
675 |
| Tridonic GmbH & Co KG | 1043 |
272 |
| Koninklijke Philips Electronics N.V. | 7277 |
219 |
| Philips Lighting Holding B.V. | 1325 |
209 |
| Lutron Technology Company LLC | 2764 |
198 |
| ABL IP Holding LLC | 1885 |
192 |
| Koninklijke Philips N.V. | 25938 |
191 |
| Led-ip Management, LLC | 822 |
160 |
| OSRAM GmbH | 2195 |
138 |
| Panasonic Intellectual Property Management Co., Ltd. | 34265 |
129 |
| Philips Intellectual Property & Standards GmbH | 1601 |
90 |
| Samsung Electronics Co., Ltd. | 158442 |
86 |
| Silergy Semiconductor Technology (Hangzhou) LTD | 639 |
85 |
| OSRAM SYLVANIA Inc. | 626 |
74 |
| Jiaxing Super Lighting Electric Appliance Co., Ltd | 423 |
74 |
| Rohm Co., Ltd. | 6877 |
73 |
| Semiconductor Components Industries, L.L.C. | 5253 |
73 |
| Samsung Display Co., Ltd. | 38817 |
67 |
| Boe Technology Group Co., Ltd. | 44409 |
67 |
| eldoLAB Holding B.V. | 189 |
67 |
| Other owners | 7340 |