- 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: 934
10-year publication summary
|
174
|
167
|
115
|
73
|
34
|
28
|
14
|
15
|
10
|
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. | 7646 |
47 |
| Sharp Kabushiki Kaisha | 18692 |
24 |
| Toray Industries, Inc. | 7006 |
21 |
| Nichia Corporation | 3753 |
21 |
| Jiaxing Super Lighting Electric Appliance Co., Ltd | 404 |
19 |
| Sony Corporation | 30901 |
18 |
| Panasonic Intellectual Property Management Co., Ltd. | 32095 |
16 |
| 3m Innovative Properties Company | 17762 |
14 |
| LG Innotek Co., Ltd. | 7846 |
14 |
| OSRAM GmbH | 2379 |
14 |
| Ushio Denki Kabushiki Kaisha | 1194 |
14 |
| Ideal Industries Lighting LLC | 941 |
14 |
| Appotronics Corporation Limited | 1117 |
11 |
| Koninklijke Philips N.V. | 24957 |
10 |
| ABL IP Holding LLC | 1905 |
10 |
| GE Lighting Solutions, LLC | 178 |
10 |
| Nippon Electric Glass Co., Ltd. | 2474 |
10 |
| LG Electronics Inc. | 73714 |
9 |
| Seiko Epson Corporation | 19671 |
9 |
| Koninklijke Philips Electronics N.V. | 9149 |
9 |
| Other owners | 620 |