- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F21K - Non-electric light sources using luminescencelight sources using electrochemiluminescencelight sources using charges of combustible materiallight sources using semiconductor devices as light-generating elementslight 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: 585
10-year publication summary
|
61
|
81
|
120
|
112
|
83
|
58
|
29
|
17
|
20
|
18
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Signify Holding B.V. | 7664 |
24 |
| Opple Lighting Co., Ltd. | 859 |
18 |
| LG Innotek Co., Ltd. | 7873 |
14 |
| Suzhou Opple Lighting Co., Ltd. | 637 |
12 |
| Federal Law Enforcement Development Services, Inc. | 66 |
11 |
| Ideal Industries Lighting LLC | 940 |
10 |
| Creeled, Inc. | 947 |
9 |
| Epistar Corporation | 1480 |
8 |
| Lumileds Singapore Pte. Ltd. | 1265 |
8 |
| OSRAM SYLVANIA Inc. | 678 |
7 |
| ABL IP Holding LLC | 1907 |
7 |
| Ultravision Technologies, LLC | 29 |
7 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1377 |
7 |
| Nanolumens Acquisition, Inc. | 113 |
6 |
| Hubbell Lighting, Inc | 623 |
6 |
| Ylx Incorporated | 193 |
6 |
| DVA Holdings LLC | 36 |
6 |
| Boe Technology Group Co., Ltd. | 41768 |
5 |
| DVA Mayday Corporation, DBA Deltavation | 31 |
5 |
| LEDVANCE GmbH | 584 |
5 |
| Other owners | 404 |