- 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: 1172
10-year publication summary
|
125
|
103
|
112
|
85
|
67
|
64
|
54
|
40
|
34
|
15
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Signify Holding B.V. | 8052 |
86 |
| Ideal Industries Lighting LLC | 930 |
50 |
| ABL IP Holding LLC | 1887 |
26 |
| OSRAM GmbH | 2210 |
22 |
| Opple Lighting Co., Ltd. | 922 |
19 |
| Zumtobel Lighting GmbH | 758 |
17 |
| Lutron Technology Company LLC | 2749 |
17 |
| LG Innotek Co., Ltd. | 8466 |
16 |
| Optovate Limited | 36 |
15 |
| Whelen Engineering Company, Inc. | 213 |
15 |
| Lighting Defense Group, LLC | 44 |
15 |
| Nichia Corporation | 3874 |
14 |
| LG Electronics Inc. | 75694 |
13 |
| Quarkstar LLC | 225 |
13 |
| Hubbell Lighting, Inc | 582 |
13 |
| Minebea Mitsumi Inc. | 1943 |
13 |
| Suzhou Opple Lighting Co., Ltd. | 687 |
13 |
| Korrus, Inc. | 487 |
13 |
| Lumileds Singapore Pte. Ltd. | 1262 |
13 |
| Dialight Corporation | 216 |
11 |
| Other owners | 758 |