- 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: 205
10-year publication summary
|
19
|
9
|
10
|
6
|
6
|
5
|
5
|
2
|
3
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 30210 |
8 |
| HallStar Beauty and Personal Care Innovations Company | 71 |
8 |
| Agc, Inc. | 5285 |
7 |
| Carl Zeiss SMT GmbH | 3210 |
5 |
| MAQUET SAS | 63 |
5 |
| SVV Technology Innovations, Inc. | 117 |
5 |
| Konica Minolta, Inc. | 9021 |
4 |
| Covestro Deutschland AG | 2797 |
4 |
| Dexerials Corporation | 1994 |
4 |
| 3m Innovative Properties Company | 17511 |
3 |
| Rockwell Collins, Inc. | 2546 |
3 |
| JSR Corporation | 2540 |
3 |
| Cyalume Technologies, Inc. | 71 |
3 |
| Production Resource Group, LLC | 239 |
3 |
| SureFire, LLC | 305 |
3 |
| Sharp Kabushiki Kaisha | 18630 |
3 |
| META Materials Inc. | 4 |
3 |
| BASF SE | 21129 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 33462 |
2 |
| Shin-Etsu Chemical Co., Ltd. | 5933 |
2 |
| Other owners | 125 |