- 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 9/30 - Elements containing photoluminescent material distinct from or spaced from the light source
Patent holdings for IPC class F21V 9/30
Total number of patents in this class: 956
10-year publication summary
|
54
|
156
|
172
|
142
|
109
|
115
|
102
|
76
|
58
|
48
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nichia Corporation | 3770 |
75 |
| Panasonic Intellectual Property Management Co., Ltd. | 32352 |
64 |
| Signify Holding B.V. | 7683 |
62 |
| Quarkstar LLC | 226 |
22 |
| Sony Corporation | 30805 |
20 |
| Stanley Electric Co., Ltd. | 1298 |
19 |
| LG Innotek Co., Ltd. | 7915 |
18 |
| Korrus, Inc. | 469 |
18 |
| Lumileds Singapore Pte. Ltd. | 1264 |
18 |
| Appotronics Corporation Limited | 1118 |
15 |
| FUJIFILM Corporation | 29797 |
13 |
| Ford Global Technologies, LLC | 20917 |
13 |
| Optovate Limited | 36 |
12 |
| Showa Denko Materials Co., Ltd. | 624 |
12 |
| Seiko Epson Corporation | 19675 |
11 |
| L&L Candle Company, LLC | 281 |
11 |
| Toray Industries, Inc. | 7007 |
10 |
| Vyv, Inc. | 36 |
10 |
| Sharp Corporation | 10299 |
9 |
| LG Chem, Ltd. | 17682 |
8 |
| Other owners | 516 |