- 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 9/32 - Elements containing photoluminescent material distinct from or spaced from the light source characterised by the arrangement of the photoluminescent material
Patent holdings for IPC class F21V 9/32
Total number of patents in this class: 323
10-year publication summary
|
0
|
2
|
4
|
26
|
54
|
68
|
67
|
65
|
46
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
36 |
| Nichia Corporation | 3394 |
16 |
| Kyocera Corporation | 12735 |
15 |
| Signify Holding B.V. | 6837 |
14 |
| Quarkstar LLC | 215 |
13 |
| Sharp Kabushiki Kaisha | 18957 |
13 |
| Kyocera Sld Laser, Inc. | 281 |
12 |
| Toray Industries, Inc. | 6652 |
7 |
| Sony Group Corporation | 10730 |
7 |
| Sony Corporation | 32931 |
6 |
| Denka Company Limited | 2189 |
6 |
| Seiko Epson Corporation | 18724 |
5 |
| FUJIFILM Corporation | 27102 |
5 |
| Dai Nippon Printing Co., Ltd. | 3891 |
5 |
| NGK Spark Plug Co., Ltd. | 935 |
5 |
| OSRAM GmbH | 2442 |
5 |
| Ichikoh Industries, Ltd. | 303 |
5 |
| Sekisui Chemical Co., Ltd. | 3159 |
5 |
| Boe Technology Group Co., Ltd. | 35384 |
4 |
| Coretronic Corporation | 1165 |
4 |
| Other owners | 135 |