- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F21S - Non-portable lighting devices; systems thereof; vehicle lighting devices specially adapted for vehicle exteriors
- F21S 4/00 - Lighting devices or systems using a string or strip of light sources
Patent holdings for IPC class F21S 4/00
Total number of patents in this class: 1438
10-year publication summary
|
231
|
167
|
115
|
63
|
68
|
30
|
42
|
14
|
11
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| OSRAM GmbH | 2442 |
54 |
| Signify Holding B.V. | 6837 |
50 |
| Ideal Industries Lighting LLC | 1168 |
36 |
| Zumtobel Lighting GmbH | 701 |
25 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1710 |
23 |
| Koninklijke Philips N.V. | 22975 |
21 |
| ABL IP Holding LLC | 1929 |
21 |
| The Sloan Company, Inc. | 56 |
21 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8635 |
20 |
| Willis Electric Co., Ltd. | 91 |
19 |
| Philips Lighting Holding B.V. | 1437 |
17 |
| Koninklijke Philips Electronics N.V. | 13133 |
16 |
| Au Optronics Corporation | 3880 |
16 |
| Current Lighting Solutions, LLC f/k/a GE Lighting Solutions, LLC | 417 |
14 |
| Osram AG | 305 |
12 |
| Nichia Corporation | 3394 |
11 |
| Boe Technology Group Co., Ltd. | 35384 |
11 |
| iLumisys, Inc. | 133 |
10 |
| Korrus, Inc. | 447 |
10 |
| Elemental LED, Inc. | 165 |
9 |
| Other owners | 1022 |