- 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: 3120
10-year publication summary
|
306
|
297
|
280
|
239
|
187
|
151
|
85
|
115
|
87
|
47
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Display Co., Ltd. | 31786 |
170 |
| Au Optronics Corporation | 3671 |
115 |
| Signify Holding B.V. | 6948 |
98 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8494 |
76 |
| LG Display Co., Ltd. | 12836 |
70 |
| LG Innotek Co., Ltd. | 6999 |
61 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1611 |
60 |
| Samsung Electronics Co., Ltd. | 135388 |
56 |
| Boe Technology Group Co., Ltd. | 37144 |
52 |
| Innolux Corporation | 3256 |
38 |
| Nichia Corporation | 3472 |
34 |
| Opple Lighting Co., Ltd. | 744 |
34 |
| Quarkstar LLC | 217 |
31 |
| 3m Innovative Properties Company | 18114 |
30 |
| Japan Display Inc. | 6478 |
27 |
| ABL IP Holding LLC | 1925 |
26 |
| LG Electronics Inc. | 69865 |
24 |
| Sharp Corporation | 9677 |
24 |
| Panasonic Intellectual Property Corporation of America | 7206 |
24 |
| Ideal Industries Lighting LLC | 1153 |
24 |
| Other owners | 2046 |