- 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: 824
10-year publication summary
|
105
|
142
|
123
|
150
|
137
|
62
|
68
|
65
|
55
|
13
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Koito Manufacturing Co., Ltd. | 2185 |
55 |
| Signify Holding B.V. | 7344 |
50 |
| Jiaxing Super Lighting Electric Appliance Co., Ltd | 390 |
43 |
| Panasonic Intellectual Property Management Co., Ltd. | 30506 |
22 |
| Ichikoh Industries, Ltd. | 339 |
18 |
| Sony Corporation | 31261 |
16 |
| Hotalux, Ltd. | 94 |
16 |
| Opple Lighting Co., Ltd. | 774 |
14 |
| Ideal Industries Lighting LLC | 1136 |
13 |
| Mitsubishi Electric Corporation | 45414 |
12 |
| Kyocera Corporation | 13548 |
10 |
| Sharp Kabushiki Kaisha | 18854 |
10 |
| Nippon Seiki Co., Ltd. | 973 |
9 |
| Guangzhou Haoyang Electronic Co., Ltd. | 225 |
8 |
| Mitsubishi Electric Lighting Corporation | 49 |
8 |
| LG Innotek Co., Ltd. | 7404 |
7 |
| ABL IP Holding LLC | 1902 |
7 |
| MAG Instrument, Inc. | 160 |
7 |
| Saturn Licensing LLC | 1476 |
7 |
| Eaton Intelligent Power Limited | 5880 |
7 |
| Other owners | 485 |