- 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 9/08 - Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for reducing intensity of light
Patent holdings for IPC class F21V 9/08
Total number of patents in this class: 823
10-year publication summary
|
86
|
89
|
116
|
110
|
78
|
66
|
54
|
43
|
30
|
10
|
| 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 |
29 |
| Sharp Kabushiki Kaisha | 18957 |
23 |
| Nichia Corporation | 3394 |
22 |
| Sony Corporation | 32931 |
19 |
| Korrus, Inc. | 447 |
18 |
| Signify Holding B.V. | 6837 |
16 |
| Chien, Aaron | 109 |
15 |
| Chien, Te-ju | 109 |
15 |
| Wang, Hsin-yi | 109 |
15 |
| FUJIFILM Corporation | 27102 |
14 |
| Appotronics Corporation Limited | 1111 |
12 |
| Savant Technologies, LLC | 343 |
12 |
| Go Fan Yourself, LLC | 45 |
11 |
| Olympus Corporation | 13667 |
9 |
| Coretronic Corporation | 1165 |
9 |
| ROBE Lighting s.r.o. | 109 |
9 |
| Panasonic Corporation | 20786 |
8 |
| LG Innotek Co., Ltd. | 6758 |
8 |
| Mitsubishi Chemical Corporation | 4313 |
8 |
| Dolby Laboratories Licensing Corporation | 3883 |
8 |
| Other owners | 543 |