- 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 7/28 - Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by coatings
Patent holdings for IPC class F21V 7/28
Total number of patents in this class: 208
10-year publication summary
|
2
|
25
|
31
|
41
|
27
|
17
|
24
|
17
|
17
|
15
|
| 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. | 34035 |
12 |
| Lumileds Singapore Pte. Ltd. | 1262 |
11 |
| Sony Group Corporation | 15697 |
7 |
| Sony Corporation | 30158 |
6 |
| FUJIFILM Corporation | 30516 |
6 |
| Signify Holding B.V. | 8061 |
6 |
| The Procter & Gamble Company | 21849 |
5 |
| Kyocera Corporation | 14383 |
5 |
| ABL IP Holding LLC | 1887 |
5 |
| Coelux S.r.l. | 94 |
5 |
| Ushio Denki Kabushiki Kaisha | 1207 |
5 |
| Korrus, Inc. | 487 |
5 |
| Nichia Corporation | 3876 |
4 |
| Ichikoh Industries, Ltd. | 393 |
4 |
| LG Electronics Inc. | 75818 |
3 |
| Jiaxing Super Lighting Electric Appliance Co., Ltd | 421 |
3 |
| Universita degli Studi Dell Insubria | 23 |
3 |
| Maxell, Ltd. | 3038 |
3 |
| Canon Kabushiki Kaisha | 7341 |
3 |
| Panasonic Projector & Display Corporation | 484 |
3 |
| Other owners | 104 |