- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F21S - Non-portable lighting devices; systems thereof; vehicle lighting devices specially adapted for vehicle exteriors
- F21S 45/47 - Passive cooling, e.g. using fins, thermal conductive elements or openings
Patent holdings for IPC class F21S 45/47
Total number of patents in this class: 639
10-year publication summary
|
7
|
47
|
87
|
116
|
99
|
86
|
81
|
74
|
79
|
15
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Koito Manufacturing Co., Ltd. | 1991 |
82 |
| Valeo Vision | 1219 |
72 |
| Lumileds LLC | 1827 |
36 |
| Zkw Group GmbH | 578 |
33 |
| Hella GmbH & Co. KGaA | 1392 |
30 |
| Ichikoh Industries, Ltd. | 303 |
22 |
| Stanley Electric Co., Ltd. | 1102 |
19 |
| HASCO Vision Technology Co.,Ltd. | 260 |
18 |
| LG Innotek Co., Ltd. | 6758 |
16 |
| Toshiba Lighting & Technology Corporation | 340 |
12 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
11 |
| Valeo North America, Inc. | 242 |
11 |
| LG Electronics Inc. | 69257 |
10 |
| Hyundai Mobis Co., Ltd. | 2668 |
10 |
| Lumileds Holding B.V. | 358 |
10 |
| Ford Global Technologies, LLC | 19702 |
8 |
| Hyundai Motor Company | 19021 |
7 |
| OSRAM GmbH | 2442 |
7 |
| Putco, Inc. | 70 |
7 |
| Valeo Iluminacion | 41 |
7 |
| Other owners | 211 |