- 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: 1167
10-year publication summary
|
118
|
103
|
108
|
84
|
65
|
62
|
54
|
38
|
31
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Signify Holding B.V. | 7822 |
86 |
| Ideal Industries Lighting LLC | 935 |
50 |
| ABL IP Holding LLC | 1896 |
26 |
| OSRAM GmbH | 2327 |
22 |
| Opple Lighting Co., Ltd. | 868 |
18 |
| Zumtobel Lighting GmbH | 754 |
17 |
| LG Innotek Co., Ltd. | 8089 |
16 |
| Optovate Limited | 36 |
15 |
| Whelen Engineering Company, Inc. | 214 |
15 |
| Lutron Technology Company LLC | 2683 |
15 |
| Lighting Defense Group, LLC | 44 |
15 |
| LG Electronics Inc. | 74619 |
13 |
| Nichia Corporation | 3807 |
13 |
| Quarkstar LLC | 227 |
13 |
| Hubbell Lighting, Inc | 608 |
13 |
| Minebea Mitsumi Inc. | 1858 |
13 |
| Korrus, Inc. | 478 |
13 |
| Lumileds Singapore Pte. Ltd. | 1261 |
13 |
| Suzhou Opple Lighting Co., Ltd. | 642 |
12 |
| Koninklijke Philips Electronics N.V. | 8285 |
11 |
| Other owners | 758 |