- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F21W - Indexing scheme associated with subclasses , , and , relating to uses or applications of lighting devices or systems
- F21W 111/023 - Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in groups for roads, paths or the like for pedestrian walkways
Patent holdings for IPC class F21W 111/023
Total number of patents in this class: 25
10-year publication summary
|
4
|
7
|
3
|
1
|
4
|
2
|
0
|
2
|
2
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Signify Holding B.V. | 7858 |
7 |
| Fujitsu Limited | 17129 |
3 |
| OASE GmbH | 308 |
2 |
| Toyota Motor Corporation | 34387 |
1 |
| Japan Display Inc. | 2909 |
1 |
| Dongguan Jiasheng Lighting Technology Co., Ltd. | 17 |
1 |
| Express Imaging Systems, LLC | 96 |
1 |
| Korea Institute of Construction Technology | 76 |
1 |
| Leviton Manufacturing Co., Inc. | 815 |
1 |
| Magicfloor AG | 3 |
1 |
| Shawshank LEDz Inc | 41 |
1 |
| Volt, LLC | 28 |
1 |
| Emdeligent GmbH | 1 |
1 |
| ELO X AS | 1 |
1 |
| Ho Young Highteck Co., Ltd. | 8 |
1 |
| Zhongshan Yusen Lighting Technology Co., Ltd. | 10 |
1 |
| Other owners | 0 |