- 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 9/04 - Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for filtering out infrared radiation
Patent holdings for IPC class F21V 9/04
Total number of patents in this class: 209
10-year publication summary
|
19
|
19
|
9
|
10
|
6
|
6
|
5
|
6
|
2
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 29172 |
8 |
| HallStar Beauty and Personal Care Innovations Company | 67 |
8 |
| Agc, Inc. | 4691 |
7 |
| Carl Zeiss SMT GmbH | 2926 |
5 |
| MAQUET SAS | 63 |
5 |
| SVV Technology Innovations, Inc. | 115 |
5 |
| 3m Innovative Properties Company | 17856 |
4 |
| Konica Minolta, Inc. | 8643 |
4 |
| Covestro Deutschland AG | 2714 |
4 |
| Dexerials Corporation | 1942 |
4 |
| META Materials Inc. | 10 |
4 |
| Rockwell Collins, Inc. | 2480 |
3 |
| JSR Corporation | 2509 |
3 |
| Cyalume Technologies, Inc. | 74 |
3 |
| Production Resource Group, LLC | 243 |
3 |
| SureFire, LLC | 309 |
3 |
| Sharp Kabushiki Kaisha | 18844 |
3 |
| BASF SE | 20694 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 30769 |
2 |
| ASML Netherlands B.V. | 7291 |
2 |
| Other owners | 127 |