- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F21K - Non-electric light sources using luminescence; light sources using electrochemiluminescence; light sources using charges of combustible material; light sources using semiconductor devices as light-generating elements; light sources not otherwise provided for
- F21K 9/20 - Light sources comprising attachment means
Patent holdings for IPC class F21K 9/20
Total number of patents in this class: 558
10-year publication summary
66
|
64
|
85
|
123
|
115
|
85
|
61
|
31
|
15
|
4
|
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 |
25 |
Opple Lighting Co., Ltd. | 698 |
17 |
LG Innotek Co., Ltd. | 6758 |
14 |
Epistar Corporation | 1553 |
11 |
Federal Law Enforcement Development Services, Inc. | 66 |
11 |
Suzhou Opple Lighting Co., Ltd. | 479 |
11 |
Ideal Industries Lighting LLC | 1168 |
10 |
Lumileds LLC | 1827 |
9 |
Creeled, Inc. | 748 |
9 |
OSRAM SYLVANIA Inc. | 742 |
7 |
ABL IP Holding LLC | 1929 |
7 |
Ultravision Technologies, LLC | 36 |
7 |
Suzhou Lekin Semiconductor Co., Ltd. | 1710 |
7 |
DVA Holdings LLC | 37 |
7 |
Hubbell Lighting, Inc | 673 |
6 |
Ylx Incorporated | 179 |
6 |
DVA Mayday Corporation, DBA Deltavation | 31 |
5 |
LEDVANCE GmbH | 564 |
5 |
Nanolumens Acquisition, Inc. | 112 |
5 |
TTP Holdings LLC | 10 |
5 |
Other owners | 374 |