- 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 29/502 - Cooling arrangements characterised by the adaptation for cooling of specific components
Patent holdings for IPC class F21V 29/502
Total number of patents in this class: 238
10-year publication summary
|
38
|
34
|
40
|
30
|
27
|
17
|
13
|
12
|
7
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Intellectual Property Management Co., Ltd. | 33602 |
44 |
| Sony Corporation | 30388 |
26 |
| Kyocera Corporation | 14259 |
17 |
| Signify Holding B.V. | 7911 |
14 |
| Ushio Denki Kabushiki Kaisha | 1210 |
11 |
| Nichia Corporation | 3836 |
7 |
| Sharp Kabushiki Kaisha | 18608 |
7 |
| Seiko Epson Corporation | 20017 |
6 |
| NGK Spark Plug Co., Ltd. | 880 |
6 |
| Fluence Bioengineering, Inc. | 115 |
6 |
| LG Innotek Co., Ltd. | 8200 |
4 |
| NGK Insulators, Ltd. | 5206 |
4 |
| Appotronics Corporation Limited | 1129 |
4 |
| Coretronic Corporation | 1344 |
4 |
| SCHOTT AG | 1736 |
4 |
| Niterra Co., Ltd. | 1375 |
4 |
| Christie Digital Systems USA, Inc. | 170 |
3 |
| Koito Manufacturing Co., Ltd. | 2396 |
3 |
| Lumencor, Inc. | 117 |
3 |
| Maxell, Ltd. | 2939 |
3 |
| Other owners | 58 |