- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F21V - Functional features or details of lighting devices or systems thereof; structural 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: 800
10-year publication summary
|
50
|
105
|
142
|
123
|
150
|
137
|
61
|
68
|
63
|
17
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Jiaxing Super Lighting Electric Appliance Co., Ltd | 364 |
51 |
| Koito Manufacturing Co., Ltd. | 1991 |
50 |
| Signify Holding B.V. | 6837 |
46 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
20 |
| Sony Corporation | 32931 |
18 |
| Ichikoh Industries, Ltd. | 303 |
18 |
| Hotalux, Ltd. | 88 |
16 |
| Opple Lighting Co., Ltd. | 698 |
14 |
| Ideal Industries Lighting LLC | 1168 |
13 |
| Mitsubishi Electric Corporation | 43934 |
12 |
| Kyocera Corporation | 12735 |
10 |
| Sharp Kabushiki Kaisha | 18957 |
10 |
| Nippon Seiki Co., Ltd. | 933 |
9 |
| Guangzhou Haoyang Electronic Co., Ltd. | 194 |
8 |
| Mitsubishi Electric Lighting Corporation | 49 |
8 |
| ABL IP Holding LLC | 1929 |
7 |
| MAG Instrument, Inc. | 174 |
7 |
| Eaton Intelligent Power Limited | 6113 |
7 |
| LG Innotek Co., Ltd. | 6758 |
6 |
| Philips Lighting Holding B.V. | 1437 |
6 |
| Other owners | 464 |