- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F21V - Functional features or details of lighting devices or systems thereof; structural combinations of lighting devices with other articles, not otherwise provided for
- F21V 9/00 - Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
Patent holdings for IPC class F21V 9/00
Total number of patents in this class: 1110
10-year publication summary
|
98
|
105
|
94
|
104
|
64
|
45
|
34
|
34
|
31
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ideal Industries Lighting LLC | 1168 |
35 |
| Signify Holding B.V. | 6837 |
28 |
| Wangs Alliance Corp., DBA WAC Lighting | 125 |
23 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
20 |
| Samsung Electronics Co., Ltd. | 131630 |
18 |
| FUJIFILM Corporation | 27102 |
18 |
| Quarkstar LLC | 215 |
18 |
| Dai Nippon Printing Co., Ltd. | 3891 |
16 |
| Appotronics Corporation Limited | 1111 |
16 |
| Lumileds LLC | 1827 |
14 |
| LG Electronics Inc. | 69257 |
13 |
| Sony Corporation | 32931 |
13 |
| Koito Manufacturing Co., Ltd. | 1991 |
13 |
| Stanley Electric Co., Ltd. | 1102 |
13 |
| ABL IP Holding LLC | 1929 |
12 |
| Creeled, Inc. | 748 |
11 |
| Seiko Epson Corporation | 18724 |
10 |
| Nichia Corporation | 3394 |
10 |
| Coretronic Corporation | 1165 |
10 |
| Valeo North America, Inc. | 242 |
10 |
| Other owners | 789 |