- 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 9/32 - 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: 427
10-year publication summary
|
4
|
26
|
54
|
68
|
67
|
66
|
46
|
37
|
33
|
24
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Intellectual Property Management Co., Ltd. | 33911 |
40 |
| Signify Holding B.V. | 8030 |
36 |
| Kyocera Corporation | 14335 |
17 |
| Nichia Corporation | 3872 |
16 |
| Quarkstar LLC | 225 |
16 |
| Sharp Kabushiki Kaisha | 18530 |
13 |
| Kyocera Sld Laser, Inc. | 304 |
13 |
| Stanley Electric Co., Ltd. | 1372 |
11 |
| Denka Company Limited | 2712 |
10 |
| Kyoto University | 2898 |
8 |
| Toray Industries, Inc. | 7096 |
7 |
| Sony Group Corporation | 15597 |
7 |
| Sony Corporation | 30208 |
6 |
| Ichikoh Industries, Ltd. | 392 |
6 |
| Maxell, Ltd. | 3015 |
6 |
| Seiko Epson Corporation | 20248 |
5 |
| FUJIFILM Corporation | 30512 |
5 |
| Dai Nippon Printing Co., Ltd. | 4237 |
5 |
| NGK Spark Plug Co., Ltd. | 875 |
5 |
| OSRAM GmbH | 2216 |
5 |
| Other owners | 190 |