- 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 29/15 - Thermal insulation
Patent holdings for IPC class F21V 29/15
Total number of patents in this class: 147
10-year publication summary
|
22
|
17
|
20
|
15
|
14
|
13
|
5
|
4
|
4
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Signify Holding B.V. | 7678 |
15 |
| Ideal Industries Lighting LLC | 937 |
7 |
| Sony Corporation | 30812 |
5 |
| Ultravision Technologies, LLC | 29 |
5 |
| Hgci, Inc. | 323 |
4 |
| Lamplight Farms Incorporated | 112 |
4 |
| Sony Group Corporation | 14474 |
4 |
| RAB Lighting Inc. | 332 |
3 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1348 |
3 |
| Covidien LP | 10668 |
2 |
| Cree, Inc. | 968 |
2 |
| Amosense Co., Ltd. | 486 |
2 |
| Electraled, Inc. | 30 |
2 |
| Fly Dragon Lighting Equipment Co., Ltd | 7 |
2 |
| Ichikoh Industries, Ltd. | 362 |
2 |
| Opple Lighting Co., Ltd. | 860 |
2 |
| T-Mobile USA, Inc. | 4222 |
2 |
| Ideal Industries, LLC | 59 |
2 |
| Suzhou Opple Lighting Co., Ltd. | 638 |
2 |
| 12180235 Canada Ltd. | 18 |
2 |
| Other owners | 75 |