- 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 7/04 - Optical design
Patent holdings for IPC class F21V 7/04
Total number of patents in this class: 3056
10-year publication summary
297
|
280
|
239
|
187
|
151
|
85
|
115
|
88
|
67
|
27
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Samsung Display Co., Ltd. | 33900 |
156 |
Signify Holding B.V. | 7364 |
105 |
Au Optronics Corporation | 3539 |
102 |
Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8480 |
75 |
LG Display Co., Ltd. | 13065 |
64 |
LG Innotek Co., Ltd. | 7438 |
63 |
Suzhou Lekin Semiconductor Co., Ltd. | 1430 |
57 |
Samsung Electronics Co., Ltd. | 142777 |
55 |
Boe Technology Group Co., Ltd. | 40311 |
53 |
Innolux Corporation | 3141 |
35 |
Opple Lighting Co., Ltd. | 774 |
34 |
Nichia Corporation | 3636 |
33 |
Quarkstar LLC | 220 |
31 |
Japan Display Inc. | 7006 |
27 |
3m Innovative Properties Company | 17866 |
26 |
LG Electronics Inc. | 72038 |
24 |
Panasonic Intellectual Property Corporation of America | 7573 |
24 |
ABL IP Holding LLC | 1903 |
24 |
Sharp Corporation | 10276 |
23 |
Minebea Mitsumi Inc. | 1696 |
23 |
Other owners | 2022 |