- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F21Y - Indexing scheme associated with subclasses , , and , relating to the form or the kind of the light sources or of the colour of the light emitted
- F21Y 103/33 - Elongate light sources, e.g. fluorescent tubes curved annular
Patent holdings for IPC class F21Y 103/33
Total number of patents in this class: 246
10-year publication summary
|
29
|
28
|
30
|
49
|
34
|
27
|
18
|
15
|
17
|
15
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Signify Holding B.V. | 7603 |
24 |
| Xiamen Eco Lighting Co. Ltd. | 282 |
11 |
| Jiaxing Super Lighting Electric Appliance Co., Ltd | 401 |
9 |
| Ideal Industries Lighting LLC | 942 |
9 |
| Sony Corporation | 30936 |
8 |
| Bridgelux, Inc. | 368 |
7 |
| Opple Lighting Co., Ltd. | 829 |
6 |
| Snap Inc. | 5954 |
5 |
| Zhejiang Super Lighting Electric Appliance Co., Ltd. | 55 |
5 |
| Lumileds Singapore Pte. Ltd. | 1270 |
5 |
| eLumigen LLC | 34 |
4 |
| CP IP Holdings Limited | 12 |
3 |
| Goodrich Lighting Systems GmbH | 127 |
3 |
| Suzhou Opple Lighting Co., Ltd. | 609 |
3 |
| Cree Lighting USA LLC | 163 |
3 |
| Kyocera Corporation | 13909 |
2 |
| Arnold & Richter Cine Technik GmbH & Co. Betriebs KG | 308 |
2 |
| Artemide S.p.A. | 114 |
2 |
| BML Productions, Inc. | 16 |
2 |
| Broan-NuTone LLC | 462 |
2 |
| Other owners | 131 |