- 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 5/02 - Refractors for light sources of prismatic shape
Patent holdings for IPC class F21V 5/02
Total number of patents in this class: 641
10-year publication summary
|
58
|
57
|
50
|
66
|
27
|
57
|
27
|
37
|
16
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sharp Kabushiki Kaisha | 18787 |
32 |
| Signify Holding B.V. | 7434 |
23 |
| Enplas Corporation | 888 |
15 |
| Minebea Mitsumi Inc. | 1711 |
15 |
| ABL IP Holding LLC | 1902 |
14 |
| Hubbell Lighting, Inc | 631 |
14 |
| 3m Innovative Properties Company | 17855 |
13 |
| Koito Manufacturing Co., Ltd. | 2214 |
12 |
| Lighting Defense Group, LLC | 41 |
12 |
| Dai Nippon Printing Co., Ltd. | 4061 |
11 |
| Ubright Optronics Corporation | 56 |
9 |
| LG Innotek Co., Ltd. | 7552 |
8 |
| ROBE Lighting s.r.o. | 124 |
8 |
| Koninklijke Philips N.V. | 24610 |
7 |
| Bright View Technologies Corporation | 21 |
7 |
| Ideal Industries Lighting LLC | 1134 |
7 |
| Sony Corporation | 31138 |
6 |
| Mitsubishi Electric Corporation | 45860 |
6 |
| Japan Display Inc. | 7074 |
6 |
| Boe Technology Group Co., Ltd. | 40653 |
6 |
| Other owners | 410 |