- 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 13/04 - Combinations of only two kinds of elements the elements being reflectors and refractors
Patent holdings for IPC class F21V 13/04
Total number of patents in this class: 1140
10-year publication summary
|
147
|
125
|
103
|
112
|
85
|
67
|
64
|
54
|
39
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Signify Holding B.V. | 7344 |
84 |
| Ideal Industries Lighting LLC | 1136 |
53 |
| ABL IP Holding LLC | 1902 |
26 |
| OSRAM GmbH | 2395 |
22 |
| Zumtobel Lighting GmbH | 726 |
18 |
| LG Innotek Co., Ltd. | 7404 |
16 |
| Opple Lighting Co., Ltd. | 774 |
15 |
| Optovate Limited | 36 |
15 |
| Korrus, Inc. | 459 |
15 |
| Lumileds LLC | 1889 |
14 |
| Whelen Engineering Company, Inc. | 187 |
14 |
| Hubbell Lighting, Inc | 627 |
14 |
| LG Electronics Inc. | 71880 |
13 |
| Nichia Corporation | 3635 |
13 |
| Quarkstar LLC | 220 |
13 |
| Lighting Defense Group, LLC | 49 |
13 |
| Minebea Mitsumi Inc. | 1680 |
12 |
| Koninklijke Philips Electronics N.V. | 10308 |
11 |
| Panasonic Intellectual Property Management Co., Ltd. | 30506 |
11 |
| Dialight Corporation | 230 |
11 |
| Other owners | 737 |