- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F21V - Functional features or details of lighting devices or systems thereof; structural 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: 639
10-year publication summary
|
56
|
58
|
57
|
50
|
66
|
27
|
58
|
27
|
34
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sharp Kabushiki Kaisha | 18957 |
32 |
| Signify Holding B.V. | 6837 |
26 |
| 3m Innovative Properties Company | 18406 |
17 |
| ABL IP Holding LLC | 1929 |
16 |
| Enplas Corporation | 900 |
15 |
| Hubbell Lighting, Inc | 673 |
15 |
| Minebea Mitsumi Inc. | 1461 |
14 |
| Dai Nippon Printing Co., Ltd. | 3891 |
12 |
| Koito Manufacturing Co., Ltd. | 1991 |
11 |
| Lighting Defense Group, LLC | 48 |
11 |
| Ubright Optronics Corporation | 54 |
9 |
| LG Innotek Co., Ltd. | 6758 |
8 |
| Koninklijke Philips N.V. | 22975 |
7 |
| Mitsubishi Electric Corporation | 43934 |
7 |
| Bright View Technologies Corporation | 25 |
7 |
| ROBE Lighting s.r.o. | 109 |
7 |
| Ideal Industries Lighting LLC | 1168 |
7 |
| Sony Corporation | 32931 |
6 |
| Panasonic Corporation | 20786 |
6 |
| Koninklijke Philips Electronics N.V. | 13133 |
6 |
| Other owners | 400 |