- 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 7/22 - Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
Patent holdings for IPC class F21V 7/22
Total number of patents in this class: 931
10-year publication summary
|
167
|
115
|
73
|
34
|
28
|
14
|
15
|
10
|
9
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Signify Holding B.V. | 7801 |
49 |
| Sharp Kabushiki Kaisha | 18635 |
24 |
| Nichia Corporation | 3797 |
21 |
| Toray Industries, Inc. | 7016 |
20 |
| Jiaxing Super Lighting Electric Appliance Co., Ltd | 411 |
19 |
| Sony Corporation | 30578 |
18 |
| Panasonic Intellectual Property Management Co., Ltd. | 33033 |
16 |
| LG Innotek Co., Ltd. | 8062 |
15 |
| 3m Innovative Properties Company | 17596 |
14 |
| OSRAM GmbH | 2330 |
14 |
| Ushio Denki Kabushiki Kaisha | 1214 |
14 |
| Ideal Industries Lighting LLC | 935 |
14 |
| Appotronics Corporation Limited | 1125 |
11 |
| Koninklijke Philips N.V. | 25385 |
10 |
| ABL IP Holding LLC | 1894 |
10 |
| GE Lighting Solutions, LLC | 178 |
10 |
| Nippon Electric Glass Co., Ltd. | 2500 |
10 |
| LG Electronics Inc. | 74447 |
9 |
| Seiko Epson Corporation | 19809 |
9 |
| SABIC Global Technologies B.V. | 4460 |
9 |
| Other owners | 615 |