- 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 9/30 - 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: 877
10-year publication summary
|
19
|
55
|
157
|
172
|
143
|
110
|
114
|
100
|
74
|
22
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nichia Corporation | 3394 |
66 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
56 |
| Signify Holding B.V. | 6837 |
43 |
| Sony Corporation | 32931 |
20 |
| Lumileds LLC | 1827 |
20 |
| Korrus, Inc. | 447 |
19 |
| Quarkstar LLC | 215 |
18 |
| Stanley Electric Co., Ltd. | 1102 |
15 |
| Ford Global Technologies, LLC | 19702 |
14 |
| LG Innotek Co., Ltd. | 6758 |
14 |
| Appotronics Corporation Limited | 1111 |
14 |
| FUJIFILM Corporation | 27102 |
13 |
| Optovate Limited | 37 |
12 |
| Showa Denko Materials Co., Ltd. | 629 |
12 |
| Seiko Epson Corporation | 18724 |
11 |
| L&L Candle Company, LLC | 275 |
11 |
| Sharp Corporation | 10015 |
10 |
| Toray Industries, Inc. | 6652 |
9 |
| LG Chem, Ltd. | 17205 |
8 |
| Delta Electronics, Inc. | 2401 |
8 |
| Other owners | 484 |