- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F21V - Functional features or details of lighting devices or systems thereofstructural combinations of lighting devices with other articles, not otherwise provided for
- F21V 29/503 - Cooling arrangements characterised by the adaptation for cooling of specific components of light sources
Patent holdings for IPC class F21V 29/503
Total number of patents in this class: 862
10-year publication summary
|
140
|
120
|
149
|
131
|
61
|
67
|
64
|
55
|
43
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Koito Manufacturing Co., Ltd. | 2352 |
59 |
| Signify Holding B.V. | 7780 |
50 |
| Jiaxing Super Lighting Electric Appliance Co., Ltd | 411 |
43 |
| Panasonic Intellectual Property Management Co., Ltd. | 32968 |
25 |
| Ichikoh Industries, Ltd. | 373 |
18 |
| Sony Corporation | 30608 |
16 |
| Hotalux, Ltd. | 100 |
16 |
| Opple Lighting Co., Ltd. | 866 |
14 |
| Mitsubishi Electric Corporation | 47338 |
12 |
| Kyocera Corporation | 14185 |
11 |
| LG Innotek Co., Ltd. | 8026 |
10 |
| Nippon Seiki Co., Ltd. | 1000 |
10 |
| Sharp Kabushiki Kaisha | 18650 |
10 |
| ABL IP Holding LLC | 1897 |
8 |
| Guangzhou Haoyang Electronic Co., Ltd. | 243 |
8 |
| Mitsubishi Electric Lighting Corporation | 49 |
8 |
| Eaton Intelligent Power Limited | 6110 |
8 |
| Ideal Industries Lighting LLC | 935 |
8 |
| MAG Instrument, Inc. | 154 |
7 |
| Saturn Licensing LLC | 1445 |
7 |
| Other owners | 514 |