- 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 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: 1127
10-year publication summary
183
|
147
|
125
|
103
|
112
|
85
|
67
|
64
|
52
|
12
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Signify Holding B.V. | 6837 |
86 |
Ideal Industries Lighting LLC | 1168 |
53 |
ABL IP Holding LLC | 1929 |
28 |
OSRAM GmbH | 2442 |
22 |
Zumtobel Lighting GmbH | 701 |
18 |
LG Innotek Co., Ltd. | 6758 |
16 |
Opple Lighting Co., Ltd. | 698 |
15 |
Optovate Limited | 37 |
15 |
Whelen Engineering Company, Inc. | 178 |
15 |
Lumileds LLC | 1827 |
14 |
Hubbell Lighting, Inc | 673 |
14 |
LG Electronics Inc. | 69257 |
13 |
Quarkstar LLC | 215 |
13 |
Lighting Defense Group, LLC | 48 |
13 |
Korrus, Inc. | 447 |
13 |
Nichia Corporation | 3394 |
12 |
Koninklijke Philips Electronics N.V. | 13133 |
11 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
11 |
Dialight Corporation | 233 |
11 |
Minebea Mitsumi Inc. | 1461 |
11 |
Other owners | 723 |