- 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: 149
10-year publication summary
|
17
|
20
|
16
|
14
|
14
|
7
|
6
|
5
|
8
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Signify Holding B.V. | 8181 |
15 |
| Led-ip Management, LLC | 815 |
8 |
| Sony Corporation | 30052 |
5 |
| Ultravision Technologies, LLC | 29 |
5 |
| Lamplight Farms Incorporated | 111 |
4 |
| Sony Group Corporation | 15978 |
4 |
| HGCI LLC | 704 |
4 |
| Covidien LP | 10704 |
3 |
| RAB Lighting Inc. | 318 |
3 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1237 |
3 |
| Cree, Inc. | 908 |
2 |
| Amosense Co., Ltd. | 507 |
2 |
| Electraled, Inc. | 30 |
2 |
| Fly Dragon Lighting Equipment Co., Ltd | 8 |
2 |
| Ichikoh Industries, Ltd. | 396 |
2 |
| Opple Lighting Co., Ltd. | 938 |
2 |
| T-Mobile USA, Inc. | 4542 |
2 |
| Suzhou Opple Lighting Co., Ltd. | 702 |
2 |
| 12180235 Canada Ltd. | 18 |
2 |
| 9416-1999 Québec Inc. | 3 |
2 |
| Other owners | 75 |