- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F21V - Functional features or details of lighting devices or systems thereofstructural combinations of lighting devices with other articles, not otherwise provided for
- F21V 9/14 - Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for producing polarised light
Patent holdings for IPC class F21V 9/14
Total number of patents in this class: 351
10-year publication summary
|
35
|
29
|
35
|
21
|
27
|
12
|
13
|
18
|
15
|
23
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Signify Holding B.V. | 8146 |
34 |
| FUJIFILM Corporation | 30628 |
32 |
| Samsung Electronics Co., Ltd. | 158605 |
12 |
| 3m Innovative Properties Company | 17459 |
12 |
| NEC Corporation | 37227 |
11 |
| Stanley Electric Co., Ltd. | 1390 |
11 |
| Samsung Display Co., Ltd. | 38914 |
9 |
| Baxter Corporation Englewood | 109 |
9 |
| Sony Corporation | 30097 |
8 |
| Koito Manufacturing Co., Ltd. | 2467 |
7 |
| Maxell, Ltd. | 3066 |
7 |
| Sony Group Corporation | 15879 |
7 |
| Apple Inc. | 59117 |
6 |
| Seiko Epson Corporation | 20365 |
6 |
| Dai Nippon Printing Co., Ltd. | 4254 |
5 |
| 10644137 Canada Inc. | 76 |
5 |
| Panasonic Intellectual Property Management Co., Ltd. | 34335 |
4 |
| Boe Technology Group Co., Ltd. | 44484 |
4 |
| LinOptx, LLC | 5 |
4 |
| LG Display Co., Ltd. | 15018 |
3 |
| Other owners | 155 |