- 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: 746
10-year publication summary
|
87
|
116
|
99
|
86
|
81
|
75
|
82
|
61
|
35
|
29
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Koito Manufacturing Co., Ltd. | 2488 |
99 |
| Valeo Vision | 1771 |
98 |
| Hella GmbH & Co. KGaA | 1733 |
39 |
| Zkw Group GmbH | 630 |
35 |
| Ichikoh Industries, Ltd. | 396 |
30 |
| Lumileds Singapore Pte. Ltd. | 1261 |
23 |
| Stanley Electric Co., Ltd. | 1396 |
22 |
| HASCO Vision Technology Co.,Ltd. | 328 |
21 |
| LG Innotek Co., Ltd. | 8566 |
18 |
| Lumileds LLC | 789 |
18 |
| Hyundai Mobis Co., Ltd. | 3674 |
13 |
| Toshiba Lighting & Technology Corporation | 219 |
12 |
| OSRAM GmbH | 2186 |
11 |
| Valeo North America, Inc. | 234 |
11 |
| LG Electronics Inc. | 76087 |
10 |
| Hyundai Motor Company | 24951 |
10 |
| Ford Global Technologies, LLC | 21613 |
9 |
| Panasonic Intellectual Property Management Co., Ltd. | 34471 |
9 |
| Lumileds Holding B.V. | 319 |
8 |
| Putco, Inc. | 66 |
7 |
| Other owners | 243 |