- 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: 600
10-year publication summary
|
81
|
120
|
112
|
83
|
58
|
29
|
17
|
21
|
22
|
7
|
| 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 |
26 |
| Opple Lighting Co., Ltd. | 868 |
18 |
| LG Innotek Co., Ltd. | 8089 |
14 |
| Suzhou Opple Lighting Co., Ltd. | 642 |
12 |
| Federal Law Enforcement Development Services, Inc. | 65 |
11 |
| Ideal Industries Lighting LLC | 935 |
10 |
| Creeled, Inc. | 960 |
9 |
| Epistar Corporation | 1483 |
8 |
| Musco Corporation | 289 |
8 |
| Lumileds Singapore Pte. Ltd. | 1261 |
8 |
| OSRAM SYLVANIA Inc. | 668 |
7 |
| ABL IP Holding LLC | 1896 |
7 |
| Ultravision Technologies, LLC | 29 |
7 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1300 |
7 |
| Nanolumens Acquisition, Inc. | 113 |
6 |
| Hubbell Lighting, Inc | 608 |
6 |
| Ylx Incorporated | 195 |
6 |
| DVA Holdings LLC | 36 |
6 |
| Boe Technology Group Co., Ltd. | 42660 |
5 |
| DVA Mayday Corporation, DBA Deltavation | 30 |
5 |
| Other owners | 414 |