- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F21S - Non-portable lighting devicessystems thereofvehicle 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: 693
10-year publication summary
|
47
|
87
|
116
|
99
|
86
|
81
|
75
|
82
|
61
|
15
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Koito Manufacturing Co., Ltd. | 2214 |
90 |
| Valeo Vision | 1500 |
86 |
| Lumileds LLC | 1911 |
38 |
| Hella GmbH & Co. KGaA | 1593 |
37 |
| Zkw Group GmbH | 611 |
35 |
| Ichikoh Industries, Ltd. | 342 |
28 |
| HASCO Vision Technology Co.,Ltd. | 293 |
21 |
| Stanley Electric Co., Ltd. | 1218 |
20 |
| LG Innotek Co., Ltd. | 7552 |
17 |
| Hyundai Mobis Co., Ltd. | 3113 |
12 |
| Toshiba Lighting & Technology Corporation | 276 |
12 |
| Valeo North America, Inc. | 237 |
11 |
| LG Electronics Inc. | 72559 |
10 |
| Lumileds Holding B.V. | 354 |
10 |
| Panasonic Intellectual Property Management Co., Ltd. | 31022 |
9 |
| OSRAM GmbH | 2388 |
9 |
| Ford Global Technologies, LLC | 20487 |
8 |
| Hyundai Motor Company | 21748 |
8 |
| Putco, Inc. | 69 |
7 |
| Valeo Iluminacion | 40 |
7 |
| Other owners | 218 |