- 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 7/04 - Optical design
Patent holdings for IPC class F21V 7/04
Total number of patents in this class: 3224
10-year publication summary
306
|
297
|
280
|
239
|
187
|
151
|
85
|
115
|
86
|
22
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Samsung Display Co., Ltd. | 30585 |
176 |
Au Optronics Corporation | 3880 |
135 |
Signify Holding B.V. | 6837 |
104 |
Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8635 |
78 |
LG Display Co., Ltd. | 11907 |
74 |
Suzhou Lekin Semiconductor Co., Ltd. | 1710 |
66 |
LG Innotek Co., Ltd. | 6758 |
60 |
Boe Technology Group Co., Ltd. | 35384 |
58 |
Samsung Electronics Co., Ltd. | 131630 |
54 |
Innolux Corporation | 3151 |
39 |
3m Innovative Properties Company | 18406 |
38 |
Nichia Corporation | 3394 |
34 |
Opple Lighting Co., Ltd. | 698 |
34 |
Quarkstar LLC | 215 |
31 |
Sharp Corporation | 10015 |
30 |
ABL IP Holding LLC | 1929 |
29 |
Japan Display Inc. | 6202 |
27 |
LG Electronics Inc. | 69257 |
26 |
Panasonic Intellectual Property Corporation of America | 7230 |
24 |
Ideal Industries Lighting LLC | 1168 |
24 |
Other owners | 2083 |